Эффект бабочки 3: Откровение / Butterfly Effect: Revelation (2009)

Sam Reide has the ability of traveling to the past and works to the police department solving unresolved crimes, witnessing the events with the support of his sister Jenna Reide and reporting the criminal's identity to Detective Dan Glenn. When Rebecca Brown that is the sister of his former girlfriend Elizabeth Brown that was murdered a couple of years ago pays a visit to him, she tells that she has just found Elizabeth's journal with evidences that Lonnie Flennons, who was accused for the murder, is innocent. Sam decides to witness the murder of Elizabeth and his interference affects the future. He travels to the past other times trying to fix his mistakes, but every time he returns, the future is in worse condition

Используя свой дар, возвращаться в прошлое, Сэм помогает бороться с преступностью и спасает жизни. Но как-то раз, выручая свою первую любовь, Сэм случайно оставляет дыру во времени и высвобождает опасного серийного убийцу…