A married couple suddenly finds themselves living entirely different lives after their fates magically change through an unexpected incident.

A married couple suddenly finds themselves living entirely different lives after their fates magically change through an unexpected incident. Cha Joo-hyuk works at a bank and has been married to Seo Woo-jin for five years. When a strange incident happens one day, Joo-hyuk makes a decision that impacts his life and those around him in unexpected ways. Suddenly, the life he had with Woo-jin and his best friend, Yoon Joong-hoo are gone and he is leading a very different life. How will his first love, Lee Hye-won, factor into his new life? And will it be possible to get his old life back?—wikipedia