Mouse K-Drama is a thriller series that follows the criminal investigation of murders committed by psychopathic killers. The cast includes Lee Seung Gi, Lee Hee Joon, Park Ju Hyun, and Kyung Soo Jin. The trailer makes you think that it is about Jung Ba Reum an officer who happens to come across a serial killer. This moment makes Jung Ba Reum’s life entangled in the fight for finding the culprit. Ah, Let me tell you it’s so much more than this.