The family becomes upset when they discover that Kim hired a private investigator to follow Scott but the mood later changes when Kim reveals her pregnancy to everyone's surprise.

Kourtney thinks about being a surrogate mother for Khloé. Kim works with a private investigator to watch Scott, who she thinks is acting suspicious.

Kim goes on a shopping spree to update her closet after she's put on a "Worst Dressed List". Scott goes down to alligator country and learns about a new side of Florida. Kourtney reveals her post-baby body for a photo shoot.

Khloe gets a hosting job; Scott wants to give Lord Disick a royal introduction; Kim and Kourtney get competitive.

Kim takes her love of detective work to another level; Scott's eye problems create a new fashion accessory; Kourtney's weight gain starts to get to her.

Kim attempts to fix Simon and Jonathan's friendship. Kourtney tries to reignite her and Scott's relationship but goes unnoticed.

Jonathan takes Kim's side during an argument with Kourtney, which sets the older sister off. Meanwhile, Kim learns she has a life-changing allergy; and Khloé finds herself in a strange predicament because of her love of Cuban coffee

Kourtney would like to move out of the hotel and into a house, but she and Kim have difficulty finding the time to search for a new residence. At the same time, Scott acts overly friendly with Khloé; and the sisters help Rob cope with a bad breakup.

Kim invites her entire family to Miami to compete in a dragon-boat race. At the same time, Kourtney suspects her sister-in-law is pregnant, while Scott has trouble dealing with Bruce's competitive nature

Scott learns about the vibrant lesbian community in Miami, while Kim discovers the benefits of breast milk in treating psoriasis

Kim's fertility is comparable to a fifty-year-old and she begins to take her frustrations out on Kourtney; meanwhile, Scott plans to race cars with his new best friend, much to Kourtney's dismay.

Kourtney arrives in Miami without Scott; Kim is focused on being a good mom to her new kitten.