Charlie and Mac's old high school gym teacher is accused of molestation.

With a shantytown taking shape outside, Mac and Dennis try to keep Paddy's going in tough times. Meanwhile, Frank and Dee start a family business.

Marital bliss turns into business, as the gang experiences the emotional and economic hardships of divorce.

After Frank appears on Local Television advocating gun ownership, the rest of the gang takes a look at the ownership process and alternatives to find a common ground on this still heated issue.

Charlie thinks Mac's mom is holding his mom hostage so the gang installs spy cameras in their house. They discover the moms are quite entertaining once Dennis makes edits to the footage.