When her brother disappears during a brief travel layover in Mexico, Mitch begins a desperate search that will eventually lead the young divorcee into the capital city's most notorious neighborhood. But even with the aid of the American Ambassador, her plight is only met with indifference and inaction from the authorities. As the story unfolds, Mitch is forced to look for help in the least likely places as she races against time in a dangerous quest to find answers and locate her brother.

《医界警察》由《儿童医院》背后出色的团队倾情打造，讲述了两位美国医生（埃瑞恩·海耶斯和罗布·许贝尔饰）驻扎在巴西圣保罗的一家儿科医院。他们无意中发现了一种威胁人类文明的病毒，并且不久便并被招募为政府的秘密特工。他们不断与时间赛跑以寻找治愈方法，与此同时，他们在主要的病毒爆发区发现了一个黑暗阴谋。《医界警察》以其前一部剧集《儿童医院》为基础，融合了多种元素，是一部动作类惊悚剧集、神秘的爱情故事，并最终成为了一部环游世界题材的喜剧剧集。