Every romantic relationship goes through a rocky patch on the road to bliss. Ming Wong (Louis Koo), who doesn't know what it takes to be romantic, takes his girlfriend (Gigi Leung) to have a hot pot buffet with $58 per head for their Valentine's dinner. Annie's frustrations finally explodes, the couple fights and enters into an inevitable cooling off period. In a fit of desperation, Ming goes online to find cyber expert and chances upon a 19 year old girl Crystal (Charlene Tsoi). As she buckles down to show Ming how to be romantic, she secretly falls in love with him...