Fun Li, a biology enthusiast, had just celebrated her 29+1 birthday. Ventured to the outskirts for research, she met a photographer named Luk Sing. Fun Li's mother, who had long been concerned about her daughter's marriage, finally let out a sigh of relief. However, her best friend Tin Nam, who has been her secret admirer feels jealous. Their idyllic love life was disrupted by the sudden return of Fun Li’s sister, Mei Li, who had been away for ten years. Mei Li’s arrival was driven by a specific purpose – to sell the family’s ancestral home and recoup her losses in the stock market. She even devised a plan to hinder her sister’s relationship. Yet Mei Li was shocked by Fun Li’s strong opposition. What she didn’t anticipate was the discovery of the truth behind her sister’s peculiar behaviour…