“The Black Veil.” Set in 1888, the widow of a psychiatrist visits a college friend who is performing in a theatre that enacts gruesome mutilations and torture. The actress suffers from severe headaches, and the friend tries to help her with a hypnotizing machine designed by her father, and uncovers horrors that parallel the stage productions. “Listen to Midnight.” A photographer recounts the events leading up to his murder, which is linked to a story he had heard in Japan about a female dragonfly luring the male to his death.