While Hank struggles with his lack of professional success, his wife Jenny, feeling stuck and beset by an urge to do good, becomes ensnared in a dangerous correspondence with a prison inmate called John. Letter by letter, John pinches Jenny awake from the "marshmallow numbness" of her life. The children, meanwhile, unwittingly disturb the foundations of their home life with forays into the dark net and strange geological experiments.
Jenny's bid for freedom takes a sour turn when she becomes the go-between for John and his wife, and develops an unnatural obsession for the orange glue that seals his letters...
