When a police officer with a tablet addiction sees a dead boy, she questions her sanity, but she realizes that she is facing victims of unsolved crimes and that her past can help to catch a killer on the loose. 一名沉迷于药片的女警官看到一个死去的男孩后，开始怀疑自己的精神状态，但她意识到自己面对的是未破案件的受害者，而她的过去或许能帮助抓获逍遥法外的凶手。