When a frantic 9-1-1 call reports an infant stopped breathing, Kenda and Walker must see if the daycare is to blame or the parents themselves. Then, Kenda works an execution-style shooting and is shocked to learn the victim is a kindly grandmother.

One is dead and two are in critical condition, and it's up to Kenda and Barry to find out why a gun battle occurred in a quaint family home. Then, a woman is found beaten, strangled, and stabbed on the roadside. Who could be capable of such violence?