Ba-reum chooses to enact justice on his own terms by killing his father, Han Seo-joon, in prison—fulfilling Detective Go Moo-chi's long-standing wish for revenge. Redemption and Death
The series finale of the South Korean thriller Mouse (Episode 20), which aired on May 19, 2021, delivers a haunting conclusion to the "nature vs. nurture" debate that defined the series. This episode marks the final transformation of Jeong Ba-reum (Lee Seung-gi) from a cold-blooded predator into a man utterly consumed by the weight of his own conscience. The Ultimate Punishment: Empathy Watch Mouse S01E20 210519 720p-NEXT 1
Watch the dramatic moment when Ba-reum's past finally catches up with him: Ba-reum chooses to enact justice on his own
Although she cannot forgive Ba-reum for killing her grandmother, she chooses to live her life as a survivor rather than a victim. This episode marks the final transformation of Jeong
Ba-reum is sentenced to death and spends his final days in extreme physical and emotional agony.
He eventually visits Ba-reum’s unmarked grave, suggesting a complex form of closure and a sliver of forgiveness for the man who was both his partner and his enemy.