Mouse: Lee Seung-gi Stars in the Most Twisted Psychological Thriller in K-Drama History

The Question That Drives the Madness

In a world where science can supposedly identify psychopaths through genetic testing before they are born, a series of brutal murders terrorizes South Korea. Jung Ba-reum is a rookie police officer — kind, earnest, universally beloved by his community. Go Moo-chi is a hardened detective who has been hunting the killer for years, driven by a personal loss that has consumed his entire life. When their paths converge, nothing is what it seems — and the truth, when it finally arrives, will fundamentally change how you view every scene that came before.

Mouse is not a drama you simply watch. It is a drama you experience, then immediately rewatch because the revelation at its center recontextualizes everything. It asks terrifying questions about nature versus nurture, about whether evil is born or made, and about the masks we all wear in civilized society.

Lee Seung-gi Reinvention

Known primarily as a singer and variety show personality, Lee Seung-gi delivers a performance of astonishing range as Jung Ba-reum. To say more would spoil the drama central mystery, but this role requires him to navigate emotional territory that few actors would dare attempt. It is a career-redefining performance that deserved every award it received.

Lee Hee-joon is equally compelling as Go Moo-chi, a man whose pursuit of justice has become indistinguishable from obsession. His scenes crackle with barely suppressed rage, making you fear for anyone — guilty or innocent — who gets in his way.

Frequently Asked Questions

Is Mouse really that scary?

Mouse is a psychological thriller, not horror. It is disturbing because of its ideas and revelations rather than jump scares. The suspense and twists will keep you on edge.

Where to watch Mouse?

Mouse is available on Viki and other streaming platforms with English subtitles.