Kim Young Joon 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 who lives under a small bridge. Kim Deuk Hwan has also experienced rejection in love and they develop a friendship.
|Title||Ping Pong Ball|
|First Air Date||2018-09-17|
|Last Air Date||2018-09-18|
|Episode Runtime||01 Hours 10 Minutes|
|Total Episode(s) on All Seasons||2|