"Of course," Kane said. "Of course. It's just β I overheard the flight attendant mention something about sealed evidence. For a safety panel, I think she said. That sounded serious. I work in aviation, you know. Apex Aero Systems. We make cabin-pressure valves. Safety is my business. If you're carrying something related to safety, I might be able to help. I know people. I could make sure it gets to the right place."
Lily kept her voice calm. "I don't need help," she said. "It's being handled."
Kane's smile tightened. The charm began to thin. "I understand," he said, "but you should be careful. Young people don't always understand how complicated these things are. There are procedures. There are people who might try to take advantage. If you have something valuable, you should let an adult handle it. You could give it to me, and I could make sure it is delivered safely. I have contacts. I could call ahead."
Edith Walsh looked up from her book. Her eyes moved between Kane and Lily, and she frowned slightly. She did not say anything yet, but she was listening more closely now.
Lily shook her head. "No, thank you," she said. "I'm supposed to keep it with me."
Kane's voice dropped lower. The friendly tone was gone. "Listen to me, Lily," he said, using her name as if he knew her. "You don't understand what you're carrying. You don't understand the trouble it could cause. If that material gets to the wrong people, it could hurt a lot of people. It could hurt my company. It could hurt the airline. You should think very carefully about whether you want to be responsible for that."
Lily felt a chill, but she did not look away. "Are you threatening me?" she asked, quietly.
Kane held up his hands, palms out, as if he were innocent. "I'm not threatening you. I'm warning you. I'm trying to protect you. You are sixteen, alone on a plane, carrying something you don't understand. That is a dangerous position to be in. If you cooperate, I can make sure nothing bad happens. If you don't β well, I can't promise what will happen when we land. There are people in Chicago who will want to talk to you. People who will not be as polite as I am."
The aircraft hit a patch of turbulence then, a sudden jolt that made the overhead bins rattle and a few passengers gasp. Lily's water sloshed in its cup. Kane gripped his armrest. Edith Walsh reached out and steadied her book, her eyes still on the row. The turbulence passed, but the tension remained.
Edith leaned forward slightly, her voice clear and steady. "Young man," she said to Kane, using the phrase the way a teacher might, "I have been listening to this conversation, and I don't like what I'm hearing. This young lady has told you no, twice. She is a minor traveling alone, and you are pressuring her about something that is not your business. I suggest you return to your work and leave her alone."
Kane turned toward Edith, his face reddening. "This is not your concern, madam. Mind your own business."
Edith did not back down. "When a grown man tries to frighten a teenager on an airplane, it becomes everyone's business," she said. "I am in 2D. I have heard every word. If you continue, I will call the flight attendant."
Kane stared at her for a moment, then looked at Lily. Lily met his gaze without flinching. She was frightened, but she was also steady. She thought about her mother, about the reason she was on this flight, and about the fact that Edith was watching. She was not alone in this row, even if she was traveling alone.
Kane leaned back in his seat, his jaw tight. "Fine," he said. "We'll talk later." He opened his laptop again and began typing, hard and fast, as if he were trying to make a point with the keyboard. Lily turned back to the window, her heart still beating quickly, and Edith gave her a small, encouraging nod. Lily nodded back. She did not say anything, but she felt grateful that someone had seen what had happened and had spoken up.
Chapter 5: The Notebook
After the turbulence passed and Kane had retreated into his laptop, Lily allowed herself to lean back and close her eyes for a moment. She did not sleep. She listened to the steady hum of the engines and tried to slow her breathing. The gray messenger bag was still at her feet, solid against her ankle, and she could feel the shape of the sealed notebook inside it through the fabric, even without touching it.
She thought about her mother, Claire Harper.
Claire had been a stress-test engineer. Lily had not understood what that meant when she was younger. She had thought it meant her mother tested things until they broke, and in a way, that was true. Claire tested parts for aircraft β small, precise components that had to work perfectly every time, even under pressure, even in cold, even after thousands of flights. Her specialty was cabin-pressure valves, the valves that helped keep the air inside an aircraft safe and steady while it flew high above the earth, where the outside air was too thin to breathe.
Lily remembered visiting her mother's lab once, when she was twelve. The lab had been bright and clean, with metal tables and machines that hummed and hissed. Claire had shown her a valve, a small metal piece that fit in the palm of her hand. "This looks simple," Claire had said, "but if it fails, people notice very quickly. That's why we test it again and again. We don't guess. We measure."
Claire had been careful and thorough. She kept notebooks for everything. She wrote down numbers, dates, conditions, and results in neat, small handwriting. She did not trust memory. She trusted records. Lily remembered the notebooks stacked on her mother's desk at home, each one labeled with a date and a project name. Claire had taught Lily to write things down too, to keep a record of what she had seen and what she had been told, because records mattered when people disagreed.
In the months before she died, Claire had been worried. Lily remembered that now with a clarity that hurt. Her mother had come home late several nights, her face tired, her bag heavier than usual. She had talked on the phone in a low voice, behind a closed door. She had said things like, "The numbers don't match," and "They're pushing to approve it anyway," and "Someone needs to see the full results." Lily had not understood the details at the time. She had understood that her mother was troubled, and that her mother believed something was wrong.
Claire had tried to raise concerns about the valve tests. She had written memos. She had asked questions in meetings. She had told Lily, once, while they were cooking dinner together, that being an engineer meant telling the truth even when it was inconvenient. "If you see a problem," she had said, "you say so. Even if people don't want to hear it. Especially then."
A year ago, Claire had died in a car crash. It had been sudden and devastating, and for a long time Lily had not been able to think about anything except the loss. The house had felt quiet. Her father's old messages had gone unanswered. Her aunt Karen Doyle had come to stay for a while, helping with meals and school forms and the thousand small tasks that became hard when someone was grieving. Slowly, Lily had begun to go through her mother's things, not to forget her, but to remember her more clearly.
That was when she had found the sealed notebook.
It had been in a drawer in her mother's desk, wrapped in cloth, with a note on the outside in Claire's handwriting: "For the National Aviation Safety Panel. Do not open." Lily had not opened it. She had not tried to read it. She had taken it to her aunt, and together they had contacted the panel. The panel had sent an investigator, Robert Chang, who had explained that the notebook and the encrypted data drive that went with it were part of a larger inquiry, and that Lily's mother had been preparing to share her findings before she died. He had asked Lily to bring the materials to Chicago in person, because the panel wanted to receive them directly, with a clear chain of custody, and because Lily, as Claire's daughter, was the person her mother had trusted to keep them safe.