Former Metropolitan Police detectives Colin Sutton, Mark Leach and Jo Brunt investigate the cold case murders of three young women in 1970s London. Through new witness interviews and previously uncovered information, they revisit the brutal killings of Lynda Farrow, Eve Stratford and Lynne Weedon, uncovering startling connections between the cases. As a potential suspect emerges, the team takes their findings to the Metropolitan Police and brings hope of long-awaited answers and justice to the victims’ families.