Undercover High School (2025)

In the world of espionage, Jung Hae-seong is a name synonymous with skill and precision, but a failed mission has left him demoted and seeking redemption. His new assignment takes an unexpected turn as he goes undercover at a high school, navigating a complex web of teenage social hierarchies and alliances. His mission is clear: to locate the missing King Gojong's gold, a treasure with the potential to upend the balance of power.

As Jung Hae-seong settles into his new role, he encounters Oh Soo-ah, a teacher who is both kind and enigmatic. Unbeknownst to him, Oh Soo-ah has a past that intersects with his own, as she mistakes him for her lost first love, stirring up old heartbreak and unresolved emotions. This chance encounter sets off a chain of events that blurs the lines between love and deception, testing the very fabric of Jung Hae-seong's mission and his own sense of identity.

As Jung Hae-seong delves deeper into the mystery of the missing gold, he must confront the consequences of his own actions and the true nature of his undercover operation. With Oh Soo-ah by his side, he embarks on a perilous journey that threatens to expose his true intentions and jeopardize his relationship with those around him. Will he be able to overcome the challenges that lie ahead, or will the weight of his secrets and lies tear everything apart? The fate of the gold and Jung Hae-seong's own future hang precariously in the balance.