A suitcase is washed to the shore by a lake, and a secret marriage agency is exposed. A couple's strange marriage is also involved in the whirlpool of the incident.

The play is adapted from the novel of the same name.The story is set in a temporary marriage service, where Jung-won (Gong Yoo)After his first marriage failed, he met his second wife Inji (Seo Hyun-jin) through a temporary marriage service.), and Zhengyuan is the fifth husband Inji met through this service. The relationship between the two was shaken when the trunk in the lake was discovered...

Gong Yoo plays “ Jung Won, a music producer who feels uneasy and lonely because of the pain of his past, and Seo Hyun Jin plays ” In Ji, who works at a temporary marriage service company.