Mac Bangs Dennis' Mom

In order to get out of doing the grunt work at the bar, Dennis devises a plan to blackmail Charlie. However, when Mac reveals that Dennis' mom tried to have sex with him, Charlie sees this as a way to get back at Dennis. Dee then gets involved when she goes to Charlie requesting her old job back. And so begins an elaborate series of backstabbing and double-crossing, with Charlie as the mastermind behind it all.