Catch Me Now (2008)

A sum of drug money triggers a battle of wits between Kwong Yeung and Ko Chi, a detective and a thief. Yeung gradually discovers the true identity of Chi is a mob chief who uses the restaurant business to cover his illegal activities. Despite all efforts, Yeung lacks sufficient evidence to support allegations against Chi. Nevertheless, Yeung keeps a close eye on Chi and believes in the ultimate triumph of good over evil.