Kim Hye Ja (Han Ji Min) is a young, optimistic woman who dreams of becoming a TV news anchor. Her plans are disrupted when she suddenly turns into a 70-year-old! Meanwhile, Lee Joon Ha (Nam Joo Hyuk), wants to become a reporter. He has worked hard to achieve his dream, but now lives in disappointing reality. What will happen when they find each other and find the true meaning of time?