Lian Er, a girl on the verge of turning 30, had been living a nearly perfect life in New York, but when her work inspiration and love life suddenly dried up, she decided to move back to where she grew up in her childhood. She lived under the same roof with her parents again, rekindled her friendship with her lost best friend, and became a lifeguard at the villa's swimming pool. However, her seemingly nostalgic and ordinary life was disturbed again by a forbidden love...