Major Case searches for a serial killer, Grace deals with the chauvinist detective who's attached to the case, both Grace and Ham adjust to new partners, and Earl tries to reach Leon who's moved his execution forward.
When Grace's niece is involved with a scavenger party that goes deadly wrong, the team is determined to close the drug route. Earl's job gets harder as both his charges refuse to move forward, and Father John is let into the secret.
Major Crime investigates the death of a drug dealer who was thrown from the roof of the apartment building where he lived and dealt. Bobby's cover is blown; Grace begins her own investigation into Abby; and Leon's response to news about his case is unexpected.
The murder of a young woman introduces Grace to the world of free love and open relationships, Rhetta is surprised by the identity of the new explorer, and Earl tries to reach Leon who's sunk into hopelessness.
Rhetta and Grace's shared dream shocks them both and puts them on the trail of an unknown woman, the team tries to determine if an old woman's story of self defense is true, and Leon doubts the strength of his faith.
A court reporter everyone knew and liked is found dead, and when the suspected suicide is declared a murder Grace's undercover role is a little closer to home than she'd like. At the hospital, Earl and Grace try to pull her new charge from her coma. Rhetta faces a heartbreaking decision.
Grace and the team try to determine if a home invasion robbery that included rape and murder is part of a pattern or a copycat, and Rhetta visits an evil revenge on Ham when his practical joke misfires.
When Grace's informant tips her to a dead body, the MCU investigates a case that gets stranger with every turn. Rhetta struggles over whether she can trust Ronnie. Johnny tells Grace he insists on meeting Earl.