Anthony Cho Cheuk-Nin

When teens help a friend who's been forced into prostitution they upset some very dangerous people. With the help of a renegade cop a bloody war ensues with tragic consequences.

In What a Hero, Andy Lau plays Hwa, a cop who is promoted from his hometown beat on Lantau Island to a prestigious assignment in the big city. However, upon his arrival, Hwa finds himself placed with a group of losers.

An expert assassin - trained since childhood to be the perfect killer - loses her memory during a mission in Thailand, and ends up in the care of a wry ex-policewoman and her boxing cohort.