The final scene features Eddy weeping in his son’s bed, surrounded by Jamie’s belongings and toy teddy bear. He gives the bear a small kiss, and tucks it into bed — something he probably won’t be able to do with his own son ever again.

Dive into the shocking ending of Netflix's No. 1 crime series, "Adolescence." Why did Jamie kill Katie, and what happened to him and his family in Episode 4?

According to the Cambridge Dictionary, “nonce” is a slang term used in the U.K. to describe someone who is accused of a sex crime. It is primarily used to describe someone involved in a crime involving a child, making “nonce” an outdated and rarely used word for a sexual deviant or a pedophile.