Leonard buys a dining room table, and it causes Sheldon to re-evaluate the changes in his life. Meanwhile, Wolowitz is offered a chance to go back to space, and Bernadette struggles with whether or not to encourage him.
When the guys are all playing poker, the girls decide it would be fun to join in. The guys have to teach them how to play the game. Except Monica who knows how to play and is a very competitive person, especially when it is up against her brother Ross.
When Leonard and Sheldon meet a 15-year-old physics prodigy, Sheldon is distraught that this boy genius is younger and smarter than he is. In an attempt to restore his sense of purpose, the boys come up with a solution to derail the prodigy's research.
Monica's credit card is stolen, and along with Phoebe and Rachel, she decides to catch the person who stole it. The thief turns out to be so charming and inspiring that Monica decides to become friends with her instead of turning her over to the police.
Agent Foster continues her investigation into Walsh by meeting with StarCrossed. Yvonne leads a small team to search for Gerry- unaware he's been abducted. Meanwhile, on the ship, Jeff asks Gerry for advice on how to deal with his new boss.