Uploaded March 2023 | Updated September 2026, 1 day ago

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Duty After School - Trailer (Eng Sub)


SYNOPSIS
Students in 3rd grade 2nd class at a high school are supposed to study hard for their entrance exams. Instead, they must fight a war against bizarre alien creatures that appear in the sky.
Suddenly, strange alien creatures appear over the skies of Earth and cause heavy casualties. To increase the military power in Korea, the government announces that all universities and high schools will organize into reserve forces. Meanwhile, students in 3rd grade 2nd class at the high school become confused by the situation they face. They studied hard for their university entrance exams, but those exams won't be held this year. Instead, they are assigned to the reserve forces. Platoon Leader Lee Choon-Ho (Shin Hyun Soo) and Sergeant Kim Won-Bin (Lee Soon Won) come to the high school to train the students. Lee Choon-Ho is strict on the students, but he cares about them a lot. Park Eun-Young (Lim Se Mi) is the homeroom teacher of 3rd grade 2nd class and places the students' safety first.

CASTS
Shin Hyun-Soo 
Lee Soon-Won
Lim Se-Mi
Kim Ki-Hae
Choi Moon-Hee
Kim Su-Gyeom
Lee Yeon
Kwon Eun-Bin
Moon Sang-Min
Woo Min-Kyu
Kim Min-Chul
Kim Jung-Lan 
Kim So-Hee 
Shin Myung-Sung 
Shin Soo-Hyun
Shin Hye-Ji
Ahn Do-Kyu
Yeo Joo-Ha
Oh Se-Eun 
Yoon Jong-Bin 
Ji Min-Hyuk
Hong Sa-Bin 
Hwang Se-In