Synopsis

A troubling death in the hospital prompts a series of post-mortems on other patients, those initially attributed to natural causes but now hinting at foul play. Tony suspects a killer motivated by a twisted sense of mercy, believing they are alleviating suffering with religiously fueled actions. The possibility of Islamic terrorists further complicates the investigation, drawing in MI5. Meanwhile, Carol finds herself under intense scrutiny and desperately needs Tony's assistance to preserve her