In the Season 1 finale, Jane is faced with several harsh realities in both her professional and personal life; and the investigations around the murder of Julie Ann Collins and the robbery plan of the Bentley family come to a head.
Tennison and Bradfield continue their work on the murder case of a young girl, but a breach of police protocol complicates matters. Meanwhile, the Bentley family continues their plans to pull off their biggest crime yet.
In the premiere, a young Jane Tennison learns the cold facts of police work; and turns the head of her boss, DI Bradfield, while also impressing him with her instincts. He soon enlists her help, and she becomes immersed in her first murder investigation.