Top actress Yujin Cha seems to have it all: beauty, talent, and success. But her world comes crashing down after a terrible car accident leaves her spirit separated from her body. Desperate to remember what happened on the night of the crash, she asks Chowon -- the college student she hit and the only person who can see her spirit -- if she can borrow her body. In exchange, she offers to help Chowon win back the love of her life. While their quest to uncover the truth is full of twists and turns, it is also filled with laughs, unlikely friendships, and above all, love.