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US sci-fi horror written and directed by Leigh Whannell. After a freak car accident leaves him paralysed, Grey Trace (Logan Marshall-Green) is forced to sit and watch helplessly as his wife is murdered right in front of him. With his life in ruins, Grey is approached by wealthy inventor Eron (Harrison Gilbertson) who offers to give him a new life by implanting him with Stem, a sophisticated artificial intelligence technology which will improve every aspect of his physical and mental ability.

Armed with his new superhuman capabilities, Grey sets out to get revenge on those who killed his wife.