Molly visits the home of an eccentric soccer teammate and meets the girl's bizarre parents, whose unusual behavior rivals that of her own folks. Meanwhile, Grant inadvertently agrees to do a school paper on Jerry's life, which hasn't been too exciting.

Molly's new lab partner in science class is Nick's current girlfriend, with whom Molly soon bonds after Nick dumps the popular girl. Meanwhile, Jerry arranges to take Mary to a swing-club outing to celebrate their anniversary, not realizing that it's not a dance group but rather a spouse-swapping coterie.

Molly teaches Rick how to be sensitive when he starts dating a new flame, but her efforts backfire when the woman dumps him. Meanwhile, Mary is obsessed with documenting her mother's past.