A lazy gym teacher Seong Geun is completely content with his easy gig teaching high school P.E, but times are getting tough and his job is in danger. When Seong Geun's school decides to sack a gym teacher in favor of an English teacher, he too makes an important decision. To survive, he must teach English! Seong Geun whole heartedly makes the switch from PE to ET (English Teacher), but there's only one problem: he doesn't speak English.

Cast

Kim Soo-ro

Chun Sung-geun

Lee Han-wi

Principal Joo Ho-shik

Baek Sung-hyun

Baek Jung-goo

Park Bo-young

Han Song-yi

Moon Chae-won

Lee Eun-shil