A troubled boy who seeks escape becomes a man through a miraculous growth formula but encounters a new troubles when the formula won't quit.
Andy Lau
Kwong
Karen Mok Man-Wai
Tsui Man
Gordon Lam Ka-Tung
Vice Principal
Felix Wong Yat-Wah
Chan Man
Cherrie Ying Choi-Yi
Miss Lee
Feng Xiaogang
Vagabond in park
Howard Sit Lap-Yin
Kwong Kid
Li Bingbing
Kwong's Mum
