Ordered by their dying master to eradicate the leader of the Elite Villa Clan, Sister Ko (Michelle Yeoh) and Brother Sing (Tony Leung), a deadly pair of sibling assassins, are plotting to infiltrate the enemy ranks and destroy them from the inside.

With the help of a skilled killer by the name of Yip Cheung (Nonnie Yen), they plunge deep into the word of their foes, a world full of surprises.  Follow the action and intrigue as our heroes slowly get closer to their target and come across a secret that threatens to destroy them all.