The police are investigating a case that involves a death directly caused by a rare bug known as the bullet ant. In order to clear his name, Tan Jingtian, an Insect toxicology graduate becomes involved in the bizarre investigation and collaborates with forensic doctor Jin Ling. As they dig deeper, they uncover the mystery behind his own identity. Along with police captain Chen Han and the other detectives, they trace every clue as they solve one case at a time to uncover the murderer that has been in hiding for many years.

Being a wealthy heir is not always without hardships. Zhang Hao Tian is the heir of a large corporation who faces conspiracies all around him from those who want to bring him down. Although his heart belongs to the sweet Chen Qiu Yan, Hao Tian is entrapped into marrying Song Zi Han while Luo Shan is helpless to stop it. Meanwhile, Hao Tian’s college friends, Lu Feng and Chu Yao Hui, each face their own challenges as they try to pursue their own happiness in life.