After experiencing a spiritual upheaval, Grace returns to Oklahoma City with a new sense of purpose.

Grace isolates herself from family and friends; Butch’s friend involves him in a potentially damaging situation; Neely struggles to stay off drugs.

Grace must cope with survivor’s guilt after a fall off a building. Captain Perry has an announcement that could change everything. The squad looks into a murder mystery.

Everybody can’t figure out why Capt. Perry seems to be on an edge all the time. Rhetta and Ronnie learn to communicate better since the start of their relationship with Johnny.

Grace may be able to tell God all the things she has done through her life because of her bond with Earl.

Grace gets to see a new side of her nephew when a rock band is related to the murder case. Neely lives next door to Grace and begins withdrawal with help from Earl. Rhetta continues where she left off with Ronnie.

A friend of Grace’s doesn’t want any help in the possible murder of her husband. The squad has little time to waste in trying to track down and a missing person with brain damage. Grace tries to find out exactly when Earl began following her.

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 (guest star August Schellenberg). Meanwhile the squad investigates a double homicide involving a water dispute between two ranchers, and Rhetta discovers a secret about her daughter.

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 [...]

Summer finale. A prominent doctor fatally wounds an intruder in his house, but Grace feels the doctor’s story isn’t exact. Ham breaks some interesting news to Grace, and Earl tells her she will need to help Neely.

The squad investigates the death of a parole officer with a secret life, while Grace and her brother Johnny finally track down Neely, the young addict who shares visions of Earl. And Rhetta decides to make some personal changes in the wake of her troubles at home.

Butch’s reporter girlfriend covers the bizarre slaying of a drug company whistle blower in hopes for a big national scoop. Elsewhere, Grace’s brother believes his neighbor has a dead body inside his home; and Johnny hopes to finally meet Grace’s last-chance angel.

The squad investigates the death of a 99-year-old man who has been shot in the head sitting in his home. The case, which resembles a crime that happened in Tulsa three years ago, offers Grace and Perry an opportunity to utilize their expertise in gambling-related crimes from the vice days.  It also gives Bobby a chance to [...]

Grace pursues a rape and kidnapping suspect on foot and disappears, possible as a victim herself. But nothing concerning this seems to make sense, including how Earl works the works the investigation. Ham and Rhetta must team up to find Grace before a shocking ending which will leave a lasting impression on the series.

During a case that puts Grace’s spirituality to the test, the squad investigates the murder of a Hasidic Jew whose body is found near a herd of dead cows. Meanwhile, Grace tries to connect with Neely, and Ham’s sister-in-law, Amanda, struggles to get over the death of her husband.