Lin Che woke up at 4:17 in the morning with the memory of a strange man in her mind. Seven days later, the man was supposed to die. In order to prevent death, she and detective Zhou Jibai tracked down a tunnel accident seven years ago, but found that every time she saved a person, she would lose a piece of her own memory. The death list gradually emerged, and Lin Che finally understood that she was not a bystander, but the forgotten seventh door in the accident.
Intent: People can still find themselves in trauma and loss. Although the truth is late, the living still have the right to start over.