When a boy is targeted by a powerful cartel, two detectives with complex pasts race the clock to keep him safe, but when Syd's personal quest for justice threatens their efforts, the pair must decide whom they really serve and protect.

Tracking down a serial killer who lures his victims into isolated areas before killing them live on social media; Syd has a dangerous secret that clashes with McKenna's complicated past.

Syd and McKenna are called to investigate when a body seems to plummet from the sky; the partners realize they need to trust each other to escape the ghosts of their pasts.

Time is up – Syd and McKenna need to get Knox’s fentanyl into police custody while leaving no trace of their own involvement. But can they pull it off when McKenna is distracted by Izzy’s strange behavior and a ghost from Syd’s past returns to haunt her?

While fighting with their own complications, Syd and McKenna try and find the killer behind the death of a transgender woman. Syd must face her past as the hunt for Knox intensifies. McKenna helps Izzy deal with her grief.