Uptight and straight-laced, FBI Special Agent Sarah Ashburn is a methodical investigator with a reputation for excellence–and hyper-arrogance. Shannon Mullins, one of Boston P.D.’s “finest,” is foul-mouthed and has a…

Set in Kansas City in 1933, Eastwood plays a police lieutenant known simply by his last name, Speer. Reynolds plays a former cop turned private eye named Mike Murphy. Both…