The heroine Lin Xiaoman: a trainee female security guard. She looks innocent but actually possesses Taoist secrets (she is the granddaughter of Taoist priests from Maoshan). She is very strong and can carry gas tanks. She has a straightforward personality and is full of skills in antagonizing people. She has a crush on Lu Chen but has a tough mouth.
The male protagonist, Lu Chen, is a trainee male police officer and the nephew of the criminal police captain (unbeknownst to him, but this is reversed later). He appears to be aloof but is actually socially fearful. His talent for solving crimes is maximal. After his body was swapped, he was forced to use Lin Xiaoman's body to act coquettishly to solve crimes. The contrast is full of cuteness.
Soul exchange: Triggered by contact with the antique jade pendant of "The Yin Soldier Borrowed the Road" during the Rainy Night Robbery, you need to solve 7 unsolved cases together to recover your body. After each case is solved, you will get a piece of the jade pendant. After collecting them together, you will uncover the entanglements in the past life (the past life was a police officer x heroine, and the soul was bound after committing suicide)
