“Goodnight Beautiful,” by Aimee Molloy Early on in the deliciously twisty “Goodnight Beautiful,” one of the main characters, a charismatic guy who we’re getting the sense is being stalked by a fan, is reading Stephen King’s “Misery.” His wife, meanwhile, is reading “that thriller everyone’s talking about” with an unreliable female narrator. The couple at the center of “Goodnight Beautiful,” …