Four retired assassins spring back into action when they cross paths with a straight-arrow cop who's determined to track down an elusive murderer.

After sparing a girl's life during a massacre, an elite Triad assassin is targeted by an onslaught of murderous gangsters.

Hoping to find answers to her estranged father's mysterious illness, a young woman visits his old villa and uncovers a horrifying truth from the past.

When a young man wakes from a coma, memories of brutal violence begin to surface, putting his life -- and that of his doctor -- in jeopardy.