Lin Xi, a cold-blooded female agent, was forced to have a flash marriage with Mo Jingchen, the lead singer of a top boy band, while on a mission to investigate the secrets of national hatred of the male protagonist's family, the "Mo Family". After the marriage, the two began to test each other and gradually fell in love: Mo Jingchen, who was arrogant and venomous but innocent and kind, was gradually attracted by Lin Xi's valor; Lin Xi performed a ridiculous daily life with him between tasks, and at the same time helped his boy band career. Lin Xi discovers that the Mo family was actually involved in a political conspiracy twenty years ago. The death of her adoptive parents may be related to the Mo family, and her work and love fall into a cruel choice. As the truth approaches, Mo Jingchen is accidentally involved in danger, and Lin Xi is forced to struggle between her mission and protecting him...
