It was the greatest medical breakthrough. It became the perfect killer. When a catastrophic mistake leaves his wife, Clara, in a coma, Dr. Elliott Harrison is consumed by guilt - and determined to find the truth. His investigation leads him to a remote Scottish island, where Clara had been consulting for an exclusive biotech clinic. Hoping for answers, Elliott joins the team developing a revolutionary implantable medical device. But when islanders begin dying under suspicious circumstances, he uncovers a chilling truth: the technology he trusted to save lives has been turned into a weapon - and the woman he loves may be at the heart of it all.