Watch Mouse S01e20 210519 720p-next 1 <PROVEN ✦>

In a twist of poetic justice, the very brain surgery intended to save Ba-reum's life becomes his greatest torment. By transplanting parts of the empathetic Sung Yo-han's brain into his own, Ba-reum is forced to feel the visceral pain and guilt of his previous murders.

Ba-reum discovers that he is the biological son of the "Head Hunter," Han Seo-joon, and that his life was a meticulously controlled experiment by the OZ organization . Watch Mouse S01E20 210519 720p-NEXT 1

The government official behind OZ, Choi Young-shin, is arrested, and the controversial bill to abort fetuses with the "psychopath gene" is ultimately rejected, emphasizing that one's genes do not have to dictate their fate. In a twist of poetic justice, the very

The episode also resolves the fates of the supporting cast and the societal impact of the OZ organization's actions: The government official behind OZ, Choi Young-shin, is

In a moving final sequence, a dying Ba-reum has a vision of himself as a young boy (Jae-hoon) in a church. He tells his younger self that he is "no longer a monster," finally finding a small measure of spiritual peace before passing away. Legacy of the "Mouse" Experiment