A sweltering summer day on the Hobfield housing estate. New tenant Lisa Woodley is horrified when her cat returns home with a human foot in its mouth.The foot belongs to 16-year-old Noah Crosby, whose decomposing remains are found in a rubbish-strewn alleyway. He's wearing an expensive gold watch, high-end trainers and has a top-of-the-range mobile phone on him. The motive clearly isn't robbery.A letter X is carved into Noah's skin. Twenty years ago this was the hallmark of a serial killer who was never caught.Is he killing again?Detective Tom Calladine and his partner DS Ruth Bayliss have reached a dead end. People are scared. No one will talk.Then Tom's new girlfriend's shop is targeted - and it's clear she's not telling him the whole truth about the attack. Just what is Kitty hiding?Can Tom and Ruth get answers before the killer strikes again?