Watch I'll Lend You My Wife for Free: How to Stream the Movie Online at 123Movies. . Gyeong-tae, the husband who is tired of sleeping with his wife, posts that he is selling his wife on a second-hand website. After reading the article, Young-sik accepts the transaction and sleeps with Gyeong-tae's wife. Gyeong-tae, who is secretly watching, gets excited when he sees his wife having sex with another man.