Mark and Jacqueline have been married for 30 years. They have grown children who live in another state. Jacqueline’s mother has moved in with the couple because she has Alzheimer’s disease. Jacqueline is an only child and always promised her mother that she would care for her in her old age. Her mother is unaware of her surroundings and often calls out for her daughter Jackie when Jacqueline is in the room. Jacqueline reassures her mother that she is there to help, but to no avail.