Edward Stitch, once infamous as the “Gentleman Butcher,” was a meticulous serial killer whose reign of terror ended on death row. Or so the world believed. In truth, Edward was coerced into a secret government program known as the Mask Programme. A bomb implanted in his skull ensures his compliance, turning him into a weapon under the codename “Mr. Stitches.

When a fellow operative escapes, Edward is thrust into a dangerous mission to bring them back. But his assignment uncovers a hidden war, a rebellion brewing against the shadowy program that controls him. Captured by a resistance leader, Edward learns the horrifying truth: the Masks are pawns in a decades-long experiment creating something far worse than killers.