During an apartment renovation, an internal wall is removed, revealing human remains. Forensic evaluation tells Eli Ross that he has six homicides on his hands – all young children. Who are they? Who killed them and why are only a few of the questions he must answer. What he doesn’t know is that this case will become a front-page story and shock the nation.

Meanwhile, FBI agent Sally Cope enlists Eli’s twelve-year-old nephew (Ollie) in the hunt for a serial killer in Chicago. But when you get too close to a killer, you can become the target.