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.

To one-up the guys, Dee has organized an "all-female reboot" of the Wade Boggs challenge on a first-of-its-kind, all-female flight headed to L.A. for the women's march.

With nothing to do while their phones update to the latest software, the gang decides to reminisce on old times. As everyone misremembers events from their past, the gang's current reality becomes altered.

Trapped inside Paddy's with a suicide jumper on the roof, the Gang wonders if they should bother intervening with an algorithm of their own - Could he, would he, should we? the second half hour, Dennis and Charlie stand guard at the entrance to their laser tag base waiting to ambush the legendary "Big Mo," but Dennis begins to ponder the reasons they play laser tag and if their pursuit of a victory is worth their effort.

When a trendy new hair salon opens up right next door to Paddy's, Dennis and Frank go on the offensive to stop women from cutting off their hair. Meanwhile, Mac is reunited with his childhood dog Poppins..