Young-eun, who works at a water purifier company, is hypocritical and out for her own. 　　She finds Yong-hee, a dim-witted and over-friendly piano turner who works on the first floor, uncomfortable and tries to avoid him. But she tags along with Yong-hee when he makes house calls one day and luckily sells water purifiers. She continues to go around with him taking advantage of his...