Teaser trailer added for TVING drama series “The Substitute” starring Bae Hyun-Sung & Cha Kang-Yoon. The crime-thriller is centered high school students taking the College Scholastic Ability Test (CSAT). Narration in the teaser trailer is provided by Bae Hyun-Sung as Nam Jae-Yeob:
(0:00) “Deal?”
(0:08) “Your expression is freaking hilarious right now.”
(0:23) “There’s no one but that bastard.”
(0:26) “Only that bastard.”
Captions in the teaser trailer states (0:02) “The most important moment in life,” (0:04) “D-001,”
(0:05) “Just one day,” (0:20) “The deal that will turn everything upside down begins.”
“The Substitute” will be available to stream from November 23, 2026.
Plot Synopsis by AsianWiki: Nam Jae-Yeob (Bae Hyun-Sung) attends a prestigious private high school, whose students come from mostly wealthy families. Nam Jae-Yeob looks like a perfect model student with good looks and grades, but this is all a facade.
Kang Geon-Tae (Cha Kang-Yoon) is a scholarship student at the same high school. He comes from a low-income family. Kang Geon-Tae always places first academically at his high school. His immediate goal in life is to attend a prestigious university. He doesn’t have any friends at school except for Joo Hee-Dong (Park Yoon-Ho). In order to survive, Kang Geon-Tae makes a choice and that choice becomes his weakness. Meanwhile, Nam Jae-Yeob grasps Kang Geon-Tae’s weakness and blackmails him to take a university entrance exam on his behalf.
