Synopsis："Sun Lu is a rule-abiding elementary school teacher, but deep down she rebelliously longs to break free from her restraints. An unexpected home visit brings her into the life of Chen Xudong, the owner of an aquarium shop. In her eyes, he is a “problematic” man raising a child on his own. But beneath her obedient appearance, he sees the same stubbornness and loneliness that exist within himself. As their prejudices fade, the two quietly grow closer in the peaceful world of the aquarium shop. Yet Sun Lu soon discovers that this gentle man is hiding a painful past he rarely speaks of. The huge gap between their family backgrounds and the long-buried secrets standing between them become an invisible barrier. Can their love overcome the obstacles of reality and become each other’s salvation?"