Observing that Marge is lonely, Bart offers to spend time with her. After they go on tandem bike rides and decorate Bart's tree house as a teahouse, the bullies from school dub Bart a mama's boy. When Marge finds out that Bart's schoolmates are teasing him, she gives him the necessary tools to win back his reputation. Meanwhile, Homer teams up with Moe and joins a professional arm-wrestling circuit .

Homer has an altercation with the Easter Bunny at the Mayor's egg hunt, causing Marge to be shunned. A lonely Marge decides to join a women's group called The Cheery Red Tomatoes and agrees to help with an upcoming charity drive - robbing Mr. Burns of his Faberge egg collection. Meanwhile, Lisa's plans to spend a summer in Italy hit a bump when she learns the first requirement is being fluent in Italian, so she takes on a teacher from a classified ad - who turns out to be Milhouse.