When Calvin's arch-rivals, the Pink Ladies, move their manicure business into the local barbershop, Dave encourages him to make peace until the women take a prank too far and the guys decide to plot revenge. Also, Gemma helps Tina find a creative way to keep tabs on Marty and Malcolm's dating lives.
As Marty and Courtney struggle to get their newborn to sleep, the entire Butler family suffers along with them. While Calvin prefers to let the new parents figure it out, Tina insists on jumping in to help with Baby Daphne any way she can. When searching for their old baby swing, Dave finds an old list he made of cool things to do before age 40, which sends him spiraling as he realizes he hasn’t accomplished any of them.