: By the end of the episode, Liam reveals the necklace he intends to steal and makes a bold offer: he wants Alison and her mother to move to Brazil with him once the job is finished, promising that no one will get hurt. Key Character Developments
: Under an alias, Liam has Alison lip-read conversations of the wealthy Joshi family, who are preparing to sell a valuable necklace. This confirms the gang's target: the Croesus International Vaults . [S1E4] Code of Silence
: Alison joins Liam on a lavish "work trip" to a high-end hotel in Mayfair. While Liam presents it as a romantic getaway, she quickly realizes he is using her as a cover and for her specialized skills. : By the end of the episode, Liam
: Mild (threats of violence from gang members like Braden). : Alison joins Liam on a lavish "work
Note: There is also a 2017 series titled with an episode of the same name (S1E4), which focuses on a hair show and the aftermath of Otis's death. Code of Silence S1 E4 - Drama - BritBox
In Season 1, Episode 4 of the 2025 British crime drama , the narrative shifts toward high-stakes undercover work as the central character, Alison, is drawn deeper into the criminal world she was hired to observe. Plot Summary