At the vet's office, Brian meets a female show dog named Ellie. Smitten with her, he enters a show dog competition, in which the winner gets to breed with her. Meanwhile, Peter and Lois go to extreme measures to try to convince Chris that "Arthur Valentine" doesn't exist.
When Vice President Hurst feels threatened that Secretary of State McCord is vying to be the next president, she attempts to set Elizabeth up for failure by promising that Americans will continue to be able to adopt Russian orphans, despite the potential ban by Russia’s president. Also, Elizabeth and Henry find out Stevie is dating Dmitri after he is followed by a Russian assassin.
When the Simpsons go to a STEM conference, Lisa falls for a crooning jazz pianist named Brendan. Meanwhile, Bart discovers that he has an affinity for chemistry