Kris visits and tells Scott to stay away from Kourtney; Khloe has to fire someone.

With a week left in Miami, Kourtney has to stay with and Salma and Samira; Khloe is nervous Kourtney will stay in Miami.

Kourtney and Khloe, with Scott and Mason, return to Miami. The girls help get D-A-S-H back on track, and promote the store by doing a naked/painted photo shoot with two of their employees. At the photo shoot, Kourtney gets frustrated with hungover Khloé. After being late for her radio show, Khloé After Dark, she decides to get her priorities straight. Meanwhile, Scott looks into fixing up a nightclub.

Khloé wants to look good for Lamar when he comes to Miami for a visit, so Kourtney gives her a bikini wax. Kourtney decides to go out with her friends, and her drinking from the night takes a toll on her day at the zoo with Mason and Scott the following day.

Khloé becomes fascinated by sociopaths and serial killers and wants to interview one on her radio show. Kourtney becomes angry with Scott after he goes against her wishes and takes the D-A-S-H girls out to his club for the opening. Scott becomes extremely angry when Khloé insists he is a sociopath.

Kourtney uses an old flame to make Scott jealous; Rob and Lamar's close relationship begins to annoy Khloe.

Kourtney has her first photo shoot with Life and Style since having Mason. Meanwhile, Khloe handles things at the store while Kourtney works out for the week, which leads to Khloe taking the girls out to a nightclub. Kourtney and Khloe's relationship is tested and could be changed forever.

Khloe leaves Miami after an argument with Kourtney. Kim comes to the rescue and hopes to bond with each other, though it turns out to be the complete opposite. A D-A-S-H employee faces a medical scare.

While in Miami, Kim helps Kourtney with the store and taking care of Mason. Kourtney refuses to accept that Scott has a drinking problem, which angers Kim.

After a violent alcohol-fueled tyrade, Scott ends up in the hospital. Kim helps persuade Kourtney to not see Scott until he gets professional help with his drinking problem.