Piper wakes up in the hospital with no recollection of how she got there. Only fragmented memories surface - her boyfriend Jackson on the ground covered in blood, Piper standing over him, her hands slick and red. Then she is told the awful truth: Jackson was killed the night she was injured, and she is the only witness. If only she could remember what happened. Piper searches through her memories, recalling her entire relationship with Jackson in order to piece together what happened. Meanwhile, as Jackson's family is trying to make sense of the tragedy, they find his journal and begin reading through it to find answers. As the chilling truth begins to unfold, Piper has to face the darkest secrets of her relationship with Jackson and the part she played in his murder.