This week on The Shiver Show, we turn up the temperature with “August Heat,” a 1945 episode of Suspense. Adapted from the 1910 short story by W. F. Harvey, this deliciously eerie tale is understated and unsettling. The episode stars Barry Kroeger as the artist, James Clarence Withencroft, whose automatic sketching leads him wander the streets of London until he meets a mason who has just finished a headstone. The heat presses in. Their fates are tied. With an immersive soundscape and a lush, ...