Charlie and Sid prepare their Friend-iversary party, and don't include Margaret. Noticing the tension between Hank and Sid, Margaret encourages Sid to speak up for himself. Meanwhile, Sid has his sights set on the patio for their party and attempts to convince the cat ladies to release it to them.
Three guy friends in a retirement community are the top dogs until they're blown out of the water by the newest member of the community, a female rebel who's ready to challenge their place - it's high school with 70 somethings.