Shocking

In a bizarre case operation, policeman Ma Jin (played by Nicholas Tse) killed the serial killer "Jiang" (Gao Weiguang) ), but was shot through the heart by the opponent. His life was hanging by a thread, and he accidentally received a heart transplant. A year and a half later, several shocking cases emerged in the world that were completely consistent with the "Jiang Jun"'s crime method. After recovering, Ma Jin volunteered to join forces with Che Jiawei (Sean Lau), a professor of criminal psychology, to launch an investigation. As the case progressed, Ma Jin discovered little-known secrets hidden in Professor Che, and Professor Che also became particularly interested in Ma Jin after his "heart change." In the process of the two testing each other and fighting wits, Ma Jin's wife Mo Xiu (played by Fan Xiaoxuan) and the mysterious woman Chen Xiangru (played by Tong Liya) are gradually involved in the incident, and a war that threatens the lives of millions of people in Hong Kong quietly breaks out...