May 11, 1943

This is the story of a dealer in antiques who has what seems to be a lucrative side-hustle in blackmail. He’s separately blackmailing a couple, and when they each stop at the shop to pay Markham, they’re shocked to find the other there. They talk to Markham and realize the only way to stop him is to murder him. Markham warned them that if they did, he would be back to haunt them within half an hour…