Evelyn and Lucas had been dating for seven years. After a car accident, she pretended to have amnesia to test her boyfriend. Unexpectedly, Lucas had already cheated on her with her best friend Chloe and lied, claiming that her brother Asher was her boyfriend. Heartbroken, Evelyn played along and accepted the lie. Asher, who had secretly loved her for years, willingly acted as her fake boyfriend to get closer to her. The four of them, each with their own agendas, engaged in a power struggle. Evelyn used Asher to get revenge on her ex, while Lucas gradually broke down in jealousy. The truth was revealed: Evelyn had never had amnesia, and Lucas suffered a mental breakdown and was hospitalized. Evelyn realized Asher's long-standing affection and accepted his marriage proposal.