当神秘专线响起，负责接听的你，愿意付出多少代价完成任务？
该剧改编自马修·奎克的同名小说，第一季结尾，FBI基层探员彼得·苏德兰（加布里埃尔·巴索 Gabriel Basso 饰）因拯救总统而立下大功。本季中，他将正式成为暗夜行动的一分子，然而，加入这个绝密组织，也意味着投身危机四伏、尔虞我诈的世界。
Follows Morgan, a single mother of three with a brilliant mind, as she rearranges some evidence during her shift as a cleaner for the police department, aiding in the resolution of an unsolvable case.
