Teenage forensic investigator Luke Harding is back with a brand-new case. In "Blood Brother", Luke and his robotic sidekick, Malc, are assigned to a hospital with a mysteriously high rate of fatalities. As Luke investigates a number of suspicious patient deaths, he meets his long-lost father, a doctor who practices alternative medicine at the hospital. But this in no happy family reunion, as Luke's father's DNA in connected to several of the crime scenes, making him Luke's prime suspect! Full of action and suspense, Malcolm Rose's thriller builds to an explosive ending as Luke narrows in on the murderer.