Khloe postpones her trip to Miami and shows up late, prompting Kourtney to attack Khloe for being a lousy sister and business partner.

When Kourtney's old friends come to visit she decides to go out to reclaim her old party self. When the reality of motherhood settles in, Kourt is reminded that times have changed.

Khloe takes her playful innuendos about Scott being a sociopath too far.

Kourt uses her old Miami flame, Jackie, to make Scott jealous. Khloe becomes annoyed with Rob and Lamar?s close relationship.

Kourtney works hard to look good for a post-baby photo shoot, the stress of which causes she and Khloe to get into a fight that could change their relationship forever.

With Khloe gone, Kim tries to fill the void and reconnect with Kourtney. One of the Dash employees has an STD scare.

Kim is in Miami to help Kourt out in Khloe's absence and is eager to do whatever it takes, even take care of Mason.

When Scott's drinking gets out of control, Kourtney refuses to see him until he seeks professional help.

When Kris comes to visit, she feels it is mother's duty to tell Scott to stay away from Kourtney. Khloé learns that firing an employee is hard to do.

It's the last week in Miami and Kourtney is asking herself how much she wants Scott in her life after his incident with breaking the mirror.

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

Kim 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 newly found best friend, much to Kourtney's dismay.

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

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.

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.

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.

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

Kim gets to work with a private detective, while Scott is forced to wear a new fashion accessory because of his eye problems. Elsewhere, Kourtney is desperate to get back in shape.

Kim and Kourtney get competitive during a trip to London; Scott decides to introduce Lord Disick to Miami; and Khloé experiences stress while hosting "The X Factor.

Scott goes to Florida to hunt for alligators; Kim spends her savings; Kourtney reveals her post baby body.

When Scott comes back from a Vegas trip, Kim suspects that Scott is up to no good and hires a private detective to follow him. Going against Khloe’s advice, she digs through his phone bill, puts a tracker on his car–and even tails him around town! Meanwhile, Kourtney learns that Khloe’s infertility issues are worse than she thought and wonders if she should offer to be a surrogate.

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 the family.