If London University's team of forensic pathologists didn't investigate human remains, you might bemoan the unfortunate allergic reaction that killed a wealthy businessman. The abused baby who was smothered to death. The woman whose husband cut off her fingertips after he killed her. But when Nikki, Leo and forensic scientist Jack Hodgson examine the deadly evidence, you may change your mind about natural and unnatural causes. Is Nikki's new lover a construction guru or a crook? What murderous secrets will a soldier's remains unlock in Afghanistan? Find out in five two-part episodes of this thrilling, long-running British crime drama.