John Cooper's new boot, an Afghanistan war veteran, rubs him the wrong way. Lydia Adams grapples for the perfect balance of work and parent responsibilities. Elsewhere, Sammy Bryant files for custody against Tammi, and Ben Sherman hooks up with a new cop who has a dangerous attitude.moreless
The search continues for the missing girl. Sam's new career in reality television puts the light on some of his colleagues' personal lives. Sam's mother needs his help when her boss gets sick.moreless
Lydia and Ruben investigate the death of a young nanny that appears to be a suicide, but first they have to find the children who had been in her care. Ben makes matters worse when he tries to intervene in the life of a prostitute with a 13-year-old daughter who is about to follow her mother's career path. Jessica Tang gets good news about the boy she shot, but Cooper still believes she should admit what really happened.moreless
Jessica's past is revealed after she offers help to a veteran who is homeless. Meanwhile, Sammy takes care of a dog of the vet bill after he accidentally shoots it. Lydia and Ruben investigate the murder of a Good Samaritan as Lydia face a huge change in her life.moreless
After years of pursuit and a countless number of murders, Langston comes face-to-face with serial killer Nate Haskell inside the house where his killing spree began.