Yoon Se-ra, A employee of Cha's food reasearch company is sweet but having split personality. When she got angry turns into a different person like a She turns into a badass girl... A handsome, rich but very proud of his beauty...Thats Cha Dae-ho the CEO of Cha's Food Reasearch Company. He lives with his brother like friend Kim young-soo. But Cha Dae-ho is unable to find his soulmate because of some past deception! Will he able to find his soulmate?! Will Yoon Se-ra overcome her disease?!?