On Glee, Brittany S. Pearce hits a downward spiral. She's kicked off the Cheerios, Santana's too busy to Skype, and she's failing math. Again. To help her out of her funk, the glee club performs songs from Brittany's idol, Britney Spears.
Marley and Jake grow closer and Jake defends Marley's mom when some boys make fun of her in the cafeteria. Will introduces Jake to his brother Puck and Puck tells Jake he should reconsider joining glee.
In New York, Rachel and Kurt find an apartment and Cassie tells Rachel that Rachel has no sex appeal. To prove Cassie wrong, Rachel enlists Brody to perform a sexy dance number.