这是一部强有力的角色驱动型惊悚剧，设定在当代伦敦的中心，探讨了真相悬而未决时的执法困境。第二季中，当一名青年在政治集会上被刺身亡，对立的June Lenker与Daniel Hegarty被迫组成脆弱的联盟。这场始于追捕凶手的行动，逐渐升级为一场卧底行动，旨在挫败极右翼组织在伦敦核心区的炸弹阴谋。

Queenie Jenkins is a twenty-five-year-old Jamaican British woman living in South London, straddling two cultures and slotting neatly into neither. After a messy break up from her long-term boyfriend Tom, Queenie seeks comfort in all the wrong places, and begins to realise she has to face the past head on, before she can re-build.