What eternal bachelor and Wall Street mogul Seungcheol wants more than anything is a boy of his own to cherish, but after years of heartbreak, he's given up hope. No boy will ever love him as much as they love his wallet. Until he meets his best friend's son-a young man almost twenty years his junior.

Seokmin Lee, a rich, hot, and straight-A student, is dragged by his friends to get wasted as a celebration for accomplishing another year of University. What if Seokmin flings off with a pretty guy who was none other than his Professor?