Following a terrible ordeal under a rigid and inflexible boss, Ka Yeol-chan (Park Hae-jin) reverses his fortune to become a very successful Head of Department. When he takes on a new batch of recruits he is surprised to find his previous manager Lee Man-shik (Kim Eung-soo) has signed up as an intern.
|Also Known As:||Old School Intern|
|Directed by:||Nam Sung-woo|
|Written by:||Shin So-ra|
|Starring:||Park Hae-jin, Kim Eung-soo, Han Ji-eun, Park Ki-woong|
|Extended Cast:||Noh Jong-hyun, Park Ah-in, Ko Gun-han, Hong Seung-bum, Go In-beom, Son Jong-hak, Jung Kyung-soon, Kim Ki-cheon|
|Original release:||20 May 2020 - 9 July 2020|
|No. of episodes:||16|