Season two's chapter takes you back to 1979 in Sioux Falls, South Dakota and Luverne, Minnesota. Lou Solverson, a young State Police Officer recently back from Vietnam, investigates a case involving a local crime gang, a major mob syndicate and small town beautician Peggy Blumquist along with her husband Ed, the local butcher’s assistant. Helping Lou piece things together is his father-in-law, Sheriff Hank Larsson. The investigation will lead them to a colorful cast of characters that includes Karl Weathers, the town lawyer of Luverne, Minnesota; Joe Bulo, the front man for the northern expansion of a Kansas City crime syndicate with his number two, Mike Milligan; and the Gerhardt crime family currently led by matriarch Floyd Gerhardt.