Su Hehe, an orphan girl from a fishing village, runs a small diner and accidentally meets Lu Chengyu, the heir of the Lu Group pretending to be bankrupt. To escape a forced marriage by the village bully, she impulsively enters a flash marriage. The entire Lu family subsequently moves in pretending to be poor, secretly spending a fortune to help her buy a shipyard and an aquatic market as their identities are successively exposed. Upon learning the truth, Su Hehe does not back down; instead, she secures investment from the Lu family to found the Hemanwan Group, developing Qinglan waters ecological fishery and an island resort. In the end, after daily routines of pretending to be poor full of lively commotion, the family reaps a life of career success, familial affection, and affluent happiness.