We get a glimpse into Mo’s past, while Blair and Dawn pursue some necessary detective work.

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

Mo tries to keep up with Nomi but he comes to realize that time catches up with us all when he finds he can’t party like he used to. Meanwhile, Dawn’s attempt to get him to slow down backfires. Elsewhere, Pastor Newell’s funeral planning goes off the rails and ends with a bang.

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.