A young man struggles to access sublimated childhood memories. He finds a technique that allows him to travel back into the past, to occupy his childhood body and change history. However, he soon finds that every change he makes has unexpected consequences.
A mouthy and feisty taxicab driver has hot tips for a green and inept cop set on solving a string of New York City bank robberies committed by a quartet of female Brazilian bank robbers.
After being implicated in a murder, a young woman flees New York City and moves to Los Angeles, where she rents a room from a writer. They begin an affair, but it seems she's been followed by a homicidal duplicate of herself.