Kourtney arrives in New York to help Kim with the new boutique, but problems arise as Scott may be moving into the hotel.

Kourtney becomes worried when Scott gets into a bar fight. Kim is schocked about some pictures that were published in a fashion magazine.

Kourtney worries that her sister is moving too fast towards a new relationship with her former bodyguard Shengo.

Kourtney pushes Kim to do something wild before she turns 30 when they take a trip to Las Vegas to celebrate; Scott questions if he can maintain his sobriety.

Shengo's visa is due to expire, and Kim does not take the news well and tries to find a way for him to stay. Scott and Kourtney find it hard to have some privacy.

Kim considers a new career thanks to an unexpected offer while Scott goes on a shopping spree to Kourtney's dismay.