Min-ha and Sang-beom are a gay couple in high school. They go on a journey to the shore for their 100th day anniversary. Min-ha does not care what other people think and exhibits his affection towards Sang-beom in public. On the other hand, Sang-beom feels uneasy about this. That night, Sang-beom tells Minha a secret.

《OB》讲述了与高尔夫相距甚远、与商业相距甚远的研究员昌旭为了获得国家事业权而展开游说，引发高尔夫界混乱的故事。