Kourtney and Kim open a new store in Manhattan. In the opener, the ladies arrive in New York and Kourtney considers asking her boyfriend Scott to move into her hotel suite, much to Kim's dismay.

Scott gets into a fight at New York's Juliet supper club with a man after his girlfriend started arguing with Kim, resulting in Kourtney not speaking to Scott, whom she believes started the fight. Meanwhile, Khloè comes to New York City to visit Kourtney and Kim.

Kim and Kourtney head to Las Vegas for Kim?s birthday and Kourtney forces her to do something wild before she turns 30. Meanwhile, Scott wonders if he can maintain his sobriety.

Kim is devastated to learn Shengo's visa is expiring and wonders if there's a way to keep her Aussie in the country. Meanwhile, Kourtney & Scott are struggling to find privacy.

Kim receives an unexpected offer to record a single with music superstar The Dream but her nerves force her to reconsider. Scott makes a purchase that infuriates Kourtney.

Kourtney tries to prove to Kim that her new shopping buddy isn't who she thinks he is. Scott & Kourt have an explosive argument leading them to question if they can live together.

Khloé returns to NY for DASH's grand opening leaving Kim hurt & jealous when Kourt & Khloe bond. Scott lands a magazine cover & hires an assistant to help with his busy schedule.

Kourtney gets the opportunity of a lifetime when she's offered a role on "One Life to Live". Kim must decide between attending Scott's work event or obeying her mother's commands.

Kim's torn about leaving NYC and debates making a drastic cross country move. Kourtney & Scott celebrate their relationship with a night out & Scott considers popping the question!