When married couples fostering young children end up dead in Seattle, the BAU looks for a killer with a maternal yet murderous instinct.
A wealthy woman is found dead at the bottom of her stairs; Maura decides to undergo minor surgery; Maura reconnects with Hope.
Travis and Andy take a backseat to Bobby's new tomboy friend, Riggs (guest star Maria Thayer). Grayson sparks a religious debate when he sighs during Jules' family prayer. The Cul-De-Sac Crew form a dodgeball league.
Luke is still unable to tell Lorelai about the existence of his 12-year-old daughter, April, and he goes into a panic when the girl wants to hang out with him at the diner.
When Rory's former boyfriend Jess (Milo Ventimiglia) shows up at her grandparents' house, she is pleased to hear about new developments in his life and agrees to have dinner.