The doctor at the hospital states that Blake, who has A+ blood, needs a kidney transplant, and his mother can't give him one of hers because she has O+ blood, but O is called the universal donor, so anyone, including A, can receive O.
Mac and Sam of the Memphis Police Department are called to investigate a situation on Exeter Road in Germantown; but as a municipality, Germantown has its own police department and would be out of jurisdiction for Memphis police.
In various car interior shots, a character can be seen sliding his hands back and forth on the steering wheel, pretending to drive, but the steering wheel is not moving.
The first scene in the squad car the two officers are driving without seatbelts. When the mom and son enter the car, they put on seatbelts, but when they're driving to the counseling session, the son isn't wearing his.