Walt brings his new girlfriend by the shop, which causes Donna to catch a flashback. Young Bae and Rob face difficulties in their marriage. Sky is at a crossroads with her relationship with Des.
Kit's mom passes away in D. C and the news rocks the shop. Donna and Walt duke it out over Jessica. Puma hires new girl London and Bae thinks he has a shady, ulterior motive.
Puma hires London to cover for Kitty which disrupts the precarious balance in the shop. Tati has a run in with the law and Donna faces a major financial setback. Puma tries to bring a little kumbaya to 113 but no good deed goes unpunished.
In an effort to support Miss Kitty, Ceaser and the crew head down to Memphis, Tennessee so she can reconnect with her mother's roots. Krystal confronts Donna about her behavior during the lock-in. And Walt makes a serious go at standup comedy.
Ceaser has a new opportunity to expand Black Ink but not everyone is happy with the deal, leaving him to question where loyalties lie; Donna plans a girls' night that's full of rowdy surprises; Walt and Jess can't see eye to eye.
The Brooklyn shop is finally open and Ceaser throws a block party to celebrate the grand opening; after Donna gives Alex an ultimatum, things don't go as expected; Crystal has a new jaw and a new attitude.
The crew goes to Cleveland for Walt's first show on his comedy tour and to see Donna's hometown. Alex meets Donna's family for the first time and things don't go smoothly.
The news of Sky's suspension rocks the crew, while Donna can't accept her apprentice demotion; Ceaser gets political and organizes a voter drive; Q faces a reckoning when his mother visits; Ceaser declares war on Ryan.
Ceaser is angry over the video with Ryan and Kitty and plans revenge; Donna tries to get her job back; Bae gets set up by a matchmaker and finds an odd bond with Rok; Walt and Jess' engagement party goes wheels off.
Ceaser and the 113th crew travel to Philly for a tattoo convention and run into some frenemies. Jess has second thoughts about the wedding and Bae meets with her father one last time.