Seon-woo, the eldest son of his poor family, Even though he has the mindset of trying to work hard, his body keeps on making mistakes.

Seon-woo who was working at Moving Company, accidentally breaks a jewelery box of Hee-jin, the president of the adult toys company. Seon-woo promised that he will do anything to repay Hee-jin so he asked to review his company's adult toys.. which only makes the desire between them grows.