In the immediate aftermath of Grace and Neely's survived fall from the top of a building, Grace, now known as "Angel Cop" by the city, decides to have it out with God once and for all. But a mysterious stranger might have something to say about that. Ham struggles with his father over the fact that Ham is now dating his dead brother's widow. And the squad investigates a deadly mauling by a dog.
As Grace deals with the aftermath of her dramatic fall from a building with Neely, she also struggles with the impending death of her grandfather, GeePaw. Meanwhile the squad investigates a double homicide involving a water dispute between two ranchers, and Rhetta discovers a secret about her daughter.
Grace tries to find out if a childhood friend is really guilty of killing her husband. But the friend isn't interested in Grace's help, which is hard for Grace to accept. The squad investigates the disappearance of a young woman with brain damage. And Grace begins to wonder if Earl has been watching over her since she was a girl.
A murder case surrounding a young rock band reveals a whole new rebellious side of Grace's nephew, Clay. Drug-addicted Neely moves in next door to Grace, while Earl helps her through detox. Also, Rhetta tries to get her marriage back on track with Ronnie.
Grace struggles with the burden being placed on her, especially after the family members of a dead rodeo rider bring his body to Grace's house, hopeful that the "Angel Cop" will be able to find out how he died.