After a car accident, Su Xiaoxiao loses her memory and discovers she has three boyfriends. Zhou Yang arrives at the hospital, claiming responsibility for the accident, but her best friend sends him away. Soon, her other two boyfriends, Fu Yansheng and Si Yan, also appear. Su Xiaoxiao arranges for them to take turns caring for her and begins to understand them better. Back at work, she finds all three are on the same important project team. As the men demand exclusivity, she struggles to balance their attention. Jealousy leads them to provoke her with other female colleagues, but Su Xiaoxiao resolves each conflict. She later uncovers an insurance policy signed before the accident and realizes it's a punishment for her romantic entanglements. Eventually, the mastermind behind it all is revealed, and Su Xiaoxiao regains her memory, facing a crucial decision.
