Stevie J and Benzino take on their newest venture, but when Karlie and Althea have a run in at their grand opening, it all goes down in flames.

Stevie tries to apologize to Joseline. Erica's steamy romance with O'Shea starts to fizzle. Mimi and Nikko butt heads over Althea. Rasheeda, Karlie and Kalenna take a "girls trip" to New Orleans. And a secret jeopardizes Kirk's marriage.

Joseline's suspicions over Stevie's fidelity reach a fever pitch. Kirk and Rasheeda take the next step in their relationship, while Kalenna's house guest causes problems.

Joseline makes a discovery about Stevie's past. Meanwhile, Tammy and Waka cope with a death; Mimi gets a peek at her sex-tape trailer; and Benzino deals with a vicious attack.

Mimi's sex tape is released; Kirk's apology party goes bad; Karlie faces Althea; Scrappy does damage control; Joseline leaves Stevie unraveled.

Mimi gets a spot on the cover of Stevie's magazine, irritating Joseline; Kalenna and Tony make a discovery; Bambi gets a proposition.

Stevie deals with the fallout from Mimi's magazine cover; Mimi spirals; Kalenna and Tony worry.

Karlie and Joc reach a breaking point in their relationship. Benzino attempts to secure his future with Althea. Momma Dee and Erica try to mend old wounds, and Mimi makes a shocking discovery about Nikko's past.

The discovery of Nikko's marriage leaves Mimi wanting answers. Tammy takes fertility matters into her own hands. Karlie serves Joc with the ultimate revenge, and Stevie takes a trip to LA to record with Snoop Dogg.

Benzino outs Joseline, leaving his relationship with Stevie in question. Waka is dealt surprising news that threatens his future with Tammy. Mimi makes a final decision about her future with Nikko.

The cast of Love and Hip Hop Atlanta reunites as host Sommore revisits all the explosive drama from Season 3. Things take a turn for the worse when the tensions between Stevie J, Joseline, Benzino and Althea get physical.

The fighting continues between Joseline and her cast mates, both on and off stage. The cast reflects on how things went so horribly wrong at the reunion and who is to blame.

Mimi and Nikko reveal the status of their relationship. Stevie J, Joseline, Benzino and Althea recap the fight at the reunion from their point of views.