When the two arrived home after this disastrous night at work, they were horrified to find that Greg had broken in and was demanding the money Tiffany had overcharged him!
Greg told Tiffany and Dotty he'd "come for what [he's] owed", then warned Dotty off calling the police. As Dotty insisted he "wouldn't be getting anything" from them, Greg menacingly warned he'd not be leaving without something in return.
"If you really don't have the cash, we're going to have to find another way for you to pay me," he threatened.
BBC
Suddenly, there was an audible thwack and Greg collapsed to the floor. Standing over him was Sonia — with a hurling stick in hand!