The Miami Beach Cinematheque screens “The Lovers,” which tells of a long-married and completely dispassionate husband and wife who are in the midst of serious affairs and are increasingly committed to their new partners. But on the brink of officially calling it quits, a spark between them unexpectedly reignites, leading them into an impulsive romance that forces them to navigate the complications of “cheating” on their respective lovers. 6:45 p.m. Miami Beach Cinematheque, 1130 Washington Ave, Miami Beach. Details: (305) 673-4567 or mbcinema.com/.