At a tiny Parisian café, the adorable yet painfully shy Amélie accidentally discovers a gift for helping others. Soon Amelie is spending her days as a matchmaker, guardian angel, and all-around do-gooder. But when she bumps into a handsome stranger, will she find the courage to become the star of her very own love story?

Tom, greeting-card writer and hopeless romantic, is caught completely off-guard when his girlfriend, Summer, suddenly dumps him. He reflects on their 500 days together to try to figure out where their love affair went sour, and in doing so, Tom rediscovers his true passions in life.