该剧以汉方医院和电视台为主要背景，讲述有缺陷的人们一起在各自的空隙中闭上眼睛更加幸福的成人童话。
剧中，李栋旭将饰演外形与实力兼备的医院院长朴理焕，时刻保护着自己的母亲还有好友金杏娥（郑丽媛饰演），
暖男气质将尽显无遗。而郑丽媛将在剧中出演已工作8年的音乐节目PD，虽然性格大大咧咧，
但内心深处有着不为人知的伤痛，与朴理焕（李栋旭饰演）从幼时相识感情深厚。

Jeougcheol is a construction worker and there are his mentally ill sister and Jinyeong, a girl who has a crush on him. He tries to fix his collapsed house against all odds. The director Park Jungbum studies the internal state of characters and their behaviour with this ambitious film, to find an optimism after all.

《只是相爱的关系》讲述了一群面对惊涛骇浪依然坚持隐忍，虽然看起来微不足道却更显伟大的人们的温暖爱情故事。