On a night of a typhoon, Shen Siqi unexpectedly receives a mysterious early warning prompting her not to open the door for her boyfriend's family seeking shelter from the rain outside. She sees through the ulterior motives of her ex-boyfriend Lu Jun's family, collects evidence step by step, and uses her wisdom to make the family attempting to break into a private residence and extort bear legal responsibility according to the law. She decisively bids farewell to the wrong love, restarts her life, and after the wind and rain, reaps the truly belonging to her happy new marriage.