The Butterfly Effect 3: Revelations

The Next addition to the incredibly successful franchise Sam's ability to leap back and forth between time has been both a blessing and a curse. On one hand he can use his abilities to help the police solve the most heinous crimes, but on the other hand, he can't ever intervene in what he witnesses. He knows doing so could alter the present in horrific ways. But when a woman ELIZABETH from his childhood comes begging for his help in finding her sister's murderer, Sam's own demons make him break this golden rule it's a rule for a good reason When Sam returns from his leap, he discovers that his actions have " created " a rampant serial killer who didn't exist previously. As the death toll increases, Sam must keep leaping back in time to uncover who the killer is before he claims yet another victim. (official distributor synopsis)