'Lee Jeya' who gets into an accident with his ex-girlfriend from college, 'Han Seori.' When he wakes up, he finds himself 10 years in the past and his and Seori's bodies are switched! Jeya wants to rewrite their failed love story along with Seori during this time. "Jeya, you want to go out with me again? Then try seducing me." But will Jeya be able to seduce Seori when he is in Seori's body himself?!