Yu Shuxin's childhood home was set on fire by a conspiracy. Her parents died in the fire, and they were saved by Cai Xianzi.Many years later, Yu Shuxin was led by Master to Lu Ting's house to find out the mystery of the murder of his family. Unexpectedly, he was tricked by Master, but he also got to know Lu Ting. Lu Ting discovered a butterfly wing tattoo at Yu Shuxin's house, which was related to the murder of his parents.The murderer had the same tattoo on his body, so he decided to take Yu Shuxin home to facilitate the investigation. Unexpectedly, the two gradually fell in love.After that, Lu Ting eliminated the Bai family and the Fang family, and the truth about his childhood gradually emerged...