M-21 , a former experimental subject for the secret organization known as the Union , is introduced. Despite his past, he begins working as a security guard at the school, seeking a peaceful life while protecting the students.
The episode contrasts Rai's quiet school days with the violent activities of DA-5 , an elite special forces team from the Union. Led by Kranz , the group is dispatched to investigate matters in Japan, signaling the looming conflict between the Union and the Nobles. Context for Viewers Noblesse Season 1 Episode 1: A Deep Dive Stai guardando Noblesse Ep 01 SUB ITA
Rai begins attending Ye Ran High School, where he attempts to live as an ordinary student while maintaining his true identity as a noble protector. He quickly befriends several human students, including the athletic Shinwoo and the tech-savvy Ikhan . M-21 , a former experimental subject for the