After dealing with the repercussions of her actions from last year, DC Lisa Armstrong is given the opportunity to step up when asked to assist a murder investigation in Morecambe. The case involves the brutal killing of a young woman, whose body is discovered on the shores of the infamous Lost Bay. As Lisa delves deeper, she uncovers a web of secrets tied to the tight-knit coastal community, where loyalty and silence often overshadow justice.   The investigation takes a personal turn when Lisa realizes the victim had connections to her own past, forcing her to confront unresolved trauma. Meanwhile, her colleagues on the force grapple with their own demons, including internal corruption and strained relationships. Tensions rise as Lisa’s unorthodox methods clash with the traditional approach of her superiors, putting her career at risk.   As the team races against time to solve the case, they uncover a sinister underbelly of drug trafficking and exploitation lurking beneath Morecambe’s picturesque facade. The season culminates in a heart-stopping confrontation, leaving Lisa to question whether justice can ever truly be served in a town where the lines between right and wrong are perpetually blurred.