简介
A damaged homicide detective (Johnny Messner) must prevent a grieving father from unleashing a "robotic virus" that he believes will destroy the terrorist cell that murdered his son, but at an unimaginable cost.。ITV英剧《不可遗忘》宣布续订第4季，新季共6集，主演Nicola Walker、Sanjeev Bhaskar和主创Chris Lang回归。该剧聚焦一些“不可遗忘”的旧案子，很精彩、良心的罪案类剧集。。