There are two factions in the trick-playing industry, the "Straight Forward Faction" and the "Plot and Set Up Faction". The head of the former, Ko Hing, and Lau Ka Ling, the head of the "Plot and Set Up Faction", often tease each other to compete. One time in a restaurant, Ko Hing knocks down Moon, a blind girl who consequently misses the chance to have an eye operation. Ko Hing is sorry for Moon and decides to take care of her. They soon fall in love. The condition of Moon's eyes has turned worse and Ko Hing signs the agreement to donate his corneas to Moon…