Comedian Deborah Vance (Jean Smart) became the new host of Late Night, a dream gig she'd once given up on, with her protégé-slash-punching bag Ava Daniels (Hannah Einbinder) joining her as her head writer.

The HBO comedy returns for Season 4 and Deborah Vance is finally stepping into the late-night spotlight—but at what cost? Here's everything you need to know.

The Hacks season 4 trailer confirms the Emmy-winning comedy’s return in the spring, teasing Deborah & Ava’s power struggle over their late night show.