Lee Heeseung 26 years old... An arrogant, cocky utterly handsome guy.. Rich beyond limit... He have everything in his life... he is married to a beautiful woman named Sera.. Soon they are expecting their first child but suddenly one night she started having immense abdominal pain and he rushed to the hospital with her.. And she was admitted there.. And the doctor who was appointed for her was Heeseung's college time ex.. His first love and worst heartbreak.. The beautiful man Sunoo Kim.. Now what will happen next?