When Mike blames the public school system for suspending his grandson Boyd from public school, he tells Ryan they should start looking at private schools. Meanwhile, Kristin and Kyle try to capture a raccoon loose in the Outdoor Man restaurant.
When Vanessa and the girls surprise Mike with a 1967 Impala for his birthday, he's excited to have alone time in the garage with the car. But when the car's original owner, Joe, keeps showing up with spare parts, Mike hints that he can do this on his own.
After Leonard and Sheldon co-publish a physics paper, they must defend themselves against criticism from an online bully. Also, girls' night finds Penny, Amy and Bernadette confronting embarrassing moments from their past.
Frank's roaring 20s-themed wedding day is finally here, and to get into the spirit, Phil gets the Dunphy clan to show up in costume. Once Claire and the kids realize they are the only ones dressed-up, they feel it's time for an intervention with Phil.
When newly single Lily takes off for San Francisco, Ted, Barney and Robin do their best to cheer up a dejected and depressed Marshall. Despite the support of his pals, Marshall suffers a set back when he thinks Lily is back in New York City.