After waiting three long years for his beloved Lin Wan, Su Chen is dealt a devastating blow when she publicly calls off their wedding. At the same time, the old house he has rented for two years changes owners, and his new landlady, the stunning and icy Tang Ruoxue, immediately tries to kick him out. To keep the truth from his father, he forces Tang Ruoxue to pretend to be his girlfriend. Later, he shamelessly begs her for help getting released on bail. Through their hilarious cohabitation and their three strict ground rules, the iceberg between them gradually melts. When Su Chen is heartbroken and standing in the rain, she is the one who waits for him by the river, wearing her coat.