Cheng-han and his three buddies grew up in dysfunctional and poor families without adults protecting them. One weekend, they meet Pin-ran, who is traveling alone. They have a great time together and Pin-ran joins their “Robinhood” activities and commits crimes: Theft and robberies. However, the boys soon realize that Pin-ran belongs to another world. Cheng-han discovers that he has feelings for Pin-ran. His buddies have other wishes and desires…