The youngest captain of the criminal investigation team vs a genius girl who can understand people's hearts. A suicide note that triggers Weibo, a carefully disguised murder, brings them together. They are the most tacit combination, investigating bizarre cases of seduction, secrets on the rooftop, gentle mounds of lonely hearts, tasteless buns, missing girls... The case is shrouded in mystery, and the truth is extremely terrifying upon careful consideration. The mysterious totem on Muyang's notebook brings out the body of Lin Che, who was carrying an old unsolved case nailed to the wall, and the scene of the sacrificial murder. In order to find the truth, Lin Che had to personally tear apart Mu Yang's childhood trauma... (The story is very sweet!)