The Butterfly Effect 3: Revelations

The Butterfly EffectRevelations is a 2009 American science fiction psychological thriller film directed by Seth Grossman that is the third film in the Butterfly Effect franchise. The film is set in Detroit, Michigan with most of the filming done there.

That night, Elizabeth Sarah Habel, the sister of Sams murdered girlfriend Rebecca Mia Serafino, arrives at Sams apartment. She believes that the man about to be executed for her sisters murder, Lonnie Flennons Richard Wilkinson, is innocent, and she offers to pay Sam to find the real murderer. Sam turns her down, but goes to speak with the man who tutored him on time travel, Goldburg Kevin Yon, who reminds him of the cardinal rules hes not to alter his own personal past, nor travel in time with his body left unsupervised. We learn that when Sam was 15, a house fire claimed Jennas life, but Sam altered time so that Jenna survives. However, Sams interference with events resulted in the fire killing his parents instead. After Goldburgs departure, their bartender Vicki Melissa Jones seductively offers Sam a buttery nipple he and Vicki have sex, but upon seeing Rebeccas photo, he cannot continue.Sam changes his mind and agrees to help Elizabeth out. He tries to help Lonnie without timetraveling, but Lonnie refuses the help, believing Sam to be the culprit. Frustrated, Sam travels back to June 1998. He first runs into a drunk Elizabeth, and tells her to stay in her locked car. He goes into Rebeccas bedroom to find her already dead while there, Elizabeth is attacked from behind and killed. Sam returns to the present, to learn he no longer owns a car, is renting his couch to a roommate named Paco Ulysses Hernandez, and no longer works for the police, instead being a discarded suspect for Rebeccas murder who has repeatedly asked for the case file. In 1998 Lonnie had seen Elizabeth and Sam talking, and did not stop this time as he was not at the murder scene, in this new present he is a wheelchairbound lawyer. Sam visits Goldburg, who suggests he go back to the scene of the third murder and this time only observe. Sam also visits Jenna, who is significantly better off and living more cleanly she refuses to help him. ........

Source: Wikipedia