A Hollywood screenwriter shadows Mo at the office as Mo and Dawn fight over her desire to be made a partner. Keith plays a prank on Blair.

After the fallout from Black Monday, Dawn and Blair pursue a new deal from different directions while Mo runs from his past.

Blair's new political connection puts Dawn in a compromising position. Yassir and Wayne attempt to solve an office mystery.

It’s 1989 and Mo makes his first big “discovery” as a newly minted jazz producer. Dawn’s still serving time for masterminding Black Monday, Blair learns the hard way how to play politics, and Keith discovers that the late Lenny Leighman has some big follicles to fill. Mo hatches a plot to get Dawn an early release.

Keith thinks he’s the perfect tailor-made business-wiz Tiff and Corkie need to rebrand Pfaffashions and put it back in the money. Dawn and Mo negotiate their new work/life balance the way they negotiate everything else – no holds barred. Blair has a near-death sexperience and makes a new frienemesis.

Dawn readies for her upcoming move to the West Coast, only to find that Mo’s attempt to help her has, yet again, backfired. Blair realizes that the killer is inside the house. Keith needs a job real, real bad.

New Year’s Eve 1989. It’s Mo’s "wedding day," but priority number one is to make sure he and his crew live to see another decade. He and Dawn, Blair, Keith and Yassir work together to do whatever it takes to make sure that happens. Season finale.