Liu Yixuan has a reserved personality and is a dignified second-generation rich man. His father has been strict with him since he was a child, but he has also cared for him in every possible way. One day, on a night of lightning, thunder, wind and rain, several assassins suddenly came into the house and took away the lives of his father and mother, leaving him alone in the world. From now on, how should he find out the murderer behind the scenes?