A man and a woman have different abilities when it comes to time. Michaela Choi is an aspiring musical actress who has the unusual ability to see other people’s life spans and knows that her own time is limited. When Michaela meets Lee Do Ha, the chief director of a cultural foundation, she realizes that her time clock stops when she is near him. He is the only person who can extend her life so that she can pursue her dreams of becoming a musical theater actress. Do Ha suddenly finds that Michaela is inserting herself into his life just to be near him. What can he do about this new nuisance in his life?