Dexter is a psychopath who can not control the killing

Dexter

This drama has adapted from Jeff Lindsay's novel "Night nightmare Dexter". The protagonist Dexter Morgan, who is a happy police forensic in Miami during the day, but this career is just a cover for his true identity. When night falls, Dexter will release of a bloodthirsty monster inside him, to hunt down those criminals who regard themselves can escape from the law.

When in his childhood, he and his brother were kept in the container filled with stinking corpses in Miami. And soak a couple of days in the two inches of blood. The one dead body was their mother, two brothers who have witnessed his mother was killed. Then Dexter's adoptive father, a policeman called Harry Morgan,  later discovered the young Dexter is a psychopath who can not control the killing desire. So he began to guide Harry Dexter to kill with justice. He teaches Dexter how to be a cautious, careful and efficient killer, teach him how to hide the evidence and to teach him how to live in a society in order to reduce the possibility of being suspected. However, the main thing is that he taught the  kill principle to Dexter. So, Dexter only kill the people who once killed a man, to maintain the justice in his heart.