A well-known pastry chef named Chi-lam encounters a nurse named Annie and quickly becomes enamored with her. However, he soon discovers that she is an excessively sensitive partner, prone to suspicion, jealousy, and control, with a hint of aggression. Annie constantly monitors him, scrutinizing his computer, phone, blogs, and Facebook activities and messages. In a bid to escape this tumultuous relationship, Chi-lam embarks on a quest to uncover the mystery behind her erratic behavior by delving into her past.