Samantha is a charming American girl who is going out with an Englishman called Ian. Ian struggles to express his feelings for Samantha, meanwhile Sam is impulsive and a little conventional. She plays the violin in one of the most prestigious music schools in London, however in reality her dream is to become a singer. Ian is a young executive who is a centered and sensible individual. Sam's opinion is that the only thing Ian really loves is his job. They have come to a crucial point in their relationship: Sam wants Ian to express his feelings and compromise to make their relationship work. However, a serious accident occurs to Samantha which leaves Ian with one final chance to relive the day, in the hope of changing the events.