Backstage, Perry tirelessly works her way through the de rigueur meet-and-greets, giving each star-struck child her undivided if brief attention, and hammers her team about making sure she gets days off to go see her husband. Brand, a sometimes-working actor, “should” fly out to meet her at various locations on tour, Perry admits. “But he won’t.” The marriage crumbles, illustrated sparsely but wrenchingly as Perry sobs in her dressing room before a show, surrounded by her well-intentioned but puzzled handlers.