Leonard's mom finds a new best friend in Penny.
The residents of Wisteria Lane finally learn Martha Huber's fate, and the truth has unexpected consequences for Susan. Meanwhile Bree finds her new beau, George, getting a little too close for comfort, Lynette concocts an elaborate fib about Parker's health to get into a yoga class, and Carlos returns, but his homecoming isn't quite what Gabrielle had in mind.
Roy's surprise performance for Lara at their wedding instigates Jim and Pam to find out something new about each other. After Nellie forces Dwight to support a charity, he chooses a charity that supports an inhumane group.
Jess and Cece try to replace the wedding gift sent by Schmidt's mother after they accidentally destroy it during their low-key bachelorette party.
Andy and Sullivan find a way to stay connected; Ben confronts a tough loss; Jack and Inara grow closer; while off duty, the crew jumps into action to help a mother in distress, but their heroic efforts spark conflict with police officers.