A relentless detective uses the media to trap a sadistic serial killer who targets cheating couples, only to realize his dangerous game has pulled his own girlfriend into the killer's deadly web.

SYNOPSIS:

The city is paralyzed by fear as a ruthless serial killer known as "Trinity" targets cheating men, leaving them with three fatal stab wounds before vanishing with their lovers. Obsessed with stopping the gruesome murders, veteran Detective Thomas Vance sees an opportunity when one of the victims miraculously survives. Using the media, Vance sets a dangerous, high-stakes trap to lure the killer out.

However, Trinity is a highly intelligent and manipulative predator who refuses to be the prey. When Vance and his SWAT team finally raid the killer's abandoned hideout, the bloody massacre they uncover—and a very familiar face among the hostages—forces the detective to face his worst nightmare. In a deadly game of cat and mouse where the lines blur between hunter and hunted, everyone has a secret to hide.