The masters of the Six Major Sects are trapped in Wan On Temple, each of whom was hit with the Ten Scents Poisonous Powder, and have lost all their martial powers.

Wudang master Zhang Cuishan who lives in the Shangri-La Ice and Fire Island with his family, away from the dissension and bloodshed, ambushed and leaving his young son Zhang Wuji orphaned.

Based on real-life crimes that terrorized Hong Kong in the 1990s, Logan (Tony Leung Ka-Fai) is the head of leading a notorious human trafficking gang, abducting the children of Hong Kong's elite. Police forces decide to send in Sky (Louis Koo), a Hong Kong undercover agent whose mission is to infiltrate and save the hostages, all while bringing the gang and their leader to justice.