In this gripping story, we follow a successful illustrator named Jon Lansdale, whose world begins to unravel after a tragic accident that robs him of his dominant hand. Able to continue working thanks to a prototype prosthesis, Jon faces an internal struggle between frustration and desperation as he seeks to reclaim his life and career. However, what starts as a physical problem transforms into a nightmare when a mysterious force seems to take control of his prosthetic hand.
As the days pass, Jon begins to experience episodes of loss of control, where his hand acts autonomously, committing increasingly chilling and violent acts. His personal life is also affected: he distances himself from his wife, who struggles to understand him, and faces growing pressure from colleagues who see his decline as an opportunity. With his mind filled with doubts and fears, Jon becomes obsessed with the idea that his hand may be possessed, leading him down a dark path that challenges his sanity.
Blending psychological suspense with supernatural horror, this story explores the limits of identity and control, leaving the audience questioning what is real and what arises from Jon’s disturbed mind. With unexpected twists and an unyielding atmosphere, Jon's struggle to reclaim not only his hand but also his humanity becomes a captivating odyssey of terror and redemption.