Gil Ra-im is a tough, disciplined stuntwoman with a soft heart. Kim Joo-won is a nitpicky CEO with a long list of complexes. Love struck from the moment he meets her, Joo-won barges into Ra-im's life in all the wrong ways. The more they fight, the more attracted they are to each other. But there is no Cinderella ending for this feuding couple. Their differences seem irreconcilable until they wake up one morning in each other's bodies.