Mouse Episode-1, (Korean Drama); 마우스; Mauseu K-Drama, (TV series 2021)Rated 19+ For a Reason

Episode 1 : Bareum is a novice police officer of Gudong Police office, taking care of all the town's misbehaviors. One day, however, he teams up with a notorious detective Muchi to arrest a psychopathic criminal.
Storyline: Mouse (Korean Drama); 마우스; Mauseu; A suspenseful story that asks the key question, “What if we could identify psychopaths in advance? Suspenseful, dark, Emotional,
Rated 19+ For a Reason- R rated drama because The show deals with themes such as serial killing, sexual violence, and child abuse, which may be triggering and unsettling for some viewers.
An action-packed thriller, “Mouse” is a 2021 crime mystery drama directed by Choi Joon Bae and Kang Cheol Woo.