When Donnie finds himself in a compromising situation, he calls Pierce for help. As the evidence begins to stack against Donnie, Pierce and Moretti struggle with their own fears and doubts, as they work to solve the case. During the chaos, Pierce must deal with his father after he assaults someone at the assisted living facility.

When the owners of a meat company are brutally murdered, Agent Kate Moretti goes undercover to investigate an animal rights group suspected of foul play. Meanwhile, as Pierce helps solve the case, he considers making a deeply personal confession to Kate.