Kim Young Joon (Ji Soo) is a philosophy major at a university. He confesses his feelings to a female classmate, but she rejects him. He takes her rejection hard. Kim Young Joon then meets a mysterious homeless man, Kim Deuk Hwan Yoo Jae Myung) who lives under a small bridge. Kim Deuk Hwan has also experienced rejection in love and they develop a friendship.
Title: 탁구공 / Ping Pong Ball
Broadcast network: jTBC
Broadcast period: 2018-Sep-17 to 2018-Sep-18
Air time: Monday & Tuesday 23:00 KST