Opening a new store in Miami and performing her first radio show proves too much for Khloé as her temper causes a fight between her and Kim that threatens the future of Dash.

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

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

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.

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

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.

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.

Kourtney's ex-boyfriend Scott makes a surprise visit which gives her a new decisions to make; A D-A-S-H employee may be fired.

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

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.

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.

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.

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.

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.

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

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

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

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

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.

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.

Khloé's job is threatened when she pulls out drugs on her radio show while Kourt accepts the affections of a lesbian.