Modern youth Jiang Fan time-travels to become a useless son-in-law of the Zhenbei Marquis Manor. During his grand wedding, he tries to escape after being plotted against, but is dragged back by the female general Shen Zhaoyue to suffer cold treatment. In crisis, he activates the "Daily Warning System", gaining rewards by witnessing events. He pretends to be weak on the surface while secretly improving his strength, teams up with the mountain tribe maiden A Li to investigate the traitor within the marquis manor, and discovers that he is actually a "nestling" cultivated by the Dark Division. When Shen Zhaoyue returns to the manor, assassins kidnap her younger brother to force Jiang Fan to make a move. He kills the traitor publicly, finally letting his wife see the true strength of this husband despised by everyone.