Lisa (Anna Paquin Anna Paquin) is a 17-year-old high school student, like most high school students, although she is in an awkward puberty, Lisa doesn't have much trouble and trouble in her life. In an accident, Lisa was involved in a tragic traffic accident in which a strange woman was killed. The death of a woman subverts Lisa's world, and she can no longer look at everything around her as she once did. Lisa made a lot of efforts to make up for her inner wounds, but she soon found that all attempts to repair the wounds will eventually bring new pain, and the only solution is to restore the whole truth of the car accident. In this way, Lisa launched her investigation, but all kinds of troubles made her understand that what she had done might not be right.