Kevin is an excellent student of the seminary. One day, when he was driving home from school, he received an anonymous phone call telling Kevin to repent of his crimes and that the car would explode in three minutes. Kevin hurriedly got out of the car and immediately went to the police station to report the case. When they heard what happened to Kevin, the police told Kevin that the person who made the anonymous call was Thr3e, who was wanted by the police. Renowned police commentator Jennifer has published a series of books on various killers. But she soon became the target of Thr3e, who forced Jennifer to witness the death of her brother. With unhealable psychological wounds , Jennifer takes over Kevin's case.
Kevin's childhood friend Sam finds Kevin on TV, hoping to help him. During this time, Kevin continued to be harassed by Thr3e. He has to find the answer and save people. After a series of entanglements, Kevin recalled that when he was a child, he shut up a little boy to help Sam, and Kevin never cared about him again. Kevin thinks Thr3e is the little boy locked up by himself. He wanted to repent of his past crimes. After that, Kevin completely obeyed Thr3e's arrangement, and he went to rescue the aunt who raised him. Sam called Jennifer to tell her where Kevin was. Jennifer arrived to see a startling scene. It turns out that Kevin is a schizophrenic, and Thr3e and Sam are both Kevin's split personalities. Only one is the most evil personality and the other is the most good personality. Because Kevin was abused by his aunt when he was a child, he needs a friend, so he splits the character of Sam. Later, on this basis, the personality of Thr3e was split. Jennifer tries to make Kevin understand through words what is going on. After Kevin realized, the two personalities of Sam and Thr3e disappeared
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