The Walk-in Season 1 - Episode 4 -

: Critics have described the episode as "super harsh and gritty," noting it maintains a sense of "harsh realness" rather than becoming sentimental about Robbie’s slow character development. Production Context

: A significant scene features a clash between Alison and Robbie regarding his homophobia. Alison attempts to reason with him, serving as a reminder of how easily young people can be influenced by extremist peers. The Walk-In Season 1 - Episode 4

: Activist Matthew Collins (played by Stephen Graham) focuses on keeping the informant, Robbie Mullen , safe until the trial begins. However, this dedication inadvertently places Matthew’s own family in danger. : Critics have described the episode as "super

: Matthew and his wife, Alison, take Robbie into their home. The episode highlights the stark differences in their lives, with Matthew realizing the "empty" and "remarkably ignorant" life Robbie has led. : Activist Matthew Collins (played by Stephen Graham)