[Editor’s Note: The following interview contains spoilers for “Fargo” Season 5, Episode 10, including the ending.]

Amid the dead bodies (R.I.P. State Trooper Witt Farr) and scorched faces (remember Donald Ireland?), it can be hard to keep track of all the grievances, allegiances, and debts incurred in “Fargo.” But Mr. Munch (Sam Spruell) doesn’t forget. Like an elephant with the shortest nose and worst haircut you’ve ever seen, the assassin once hired to kidnap Dorothy “Dot” Lyon (Juno Temple) returns to her home well over a year after he first broke in. Then, he lost a lot of blood (not to mention his partner) in the ensuing skirmish, and now, he would like to see his debt of “flesh” repaid.

“Why,” Dot asks him. “Why must debt be paid? I understand keeping a promise, but people always say, ‘Debt must be paid.’ Except… what if you can’t? If you’re too poor or you lose your job,...