A trailer park massacre leaves a young boy without his family; and Will, strongly opposed to leaving him, becomes his temporary guardian. Meanwhile, Faith receives a visit from her mother, and Angie spirals from incidents of her past.
A car bomb ignites an investigation for Will and bomb expert Cricket, revealing more than meets the eye. As intrigue unfolds, Angie battles to return to work, Ormewood's home life complicates, and Faith develops her relationship with Luke.
Attending a wedding, Faith, Will and Jeremy find a corpse and armed men in the venue basement. Meanwhile, Angie and Ormewood become suspicious of Crystal's conduct at work
Will, Faith, and Angie find themselves embroiled in a series of cases where a similar marker links the murders of several sex offenders. Angie grapples with an unexpected proposition from Amanda.
As threats against Amanda escalate, Will investigates, narrowing down a list of potential suspects; Amanda is forced to confront moments from her past; Ormewood struggles in Gina's absence.
A convicted criminal is accused of murder, Will and Ormewood discover some evidence that could prove their innocence. Angie struggles with sobriety when she finds out her former abuser is free.