Liza returns to Empirical hoping to resume business as usual. Charles announces a new project that spurs several unsettling revelations.

Liza and Kelsey seek out a potential business partner for Millennial. Newlywed Josh returns to Brooklyn. Charles sees Liza with fresh eyes.

Liza faces complications on the Marriage Vacation book tour. Kelsey and Zane head to Washington, D.C., to court a speechwriter's prospective memoir.

Liza takes a chance on a charming journalist, both professionally and personally. Diana steps outside her comfort zone.

Liza's secret forces her to think on her feet. Kelsey gets familiar with her new author. Josh grapples with the commitments he's made.

Charles calls in Liza after running into trouble with a rock-star author on Shelter Island. Maggie reaches a career milestone.

It's Christmas in New York. Liza celebrates with Caitlin. Kelsey finds herself caught up in a web of her own making. Charles makes up his mind.

After the holidays, Liza adjusts to a new normal. Maggie confronts buried issues. Kelsey course-corrects her love life.

Liza and Kelsey find themselves at odds when a self-made billionaire pitches a book on power to Millennial. Lauren proves her worth.

Liza is distressed when she meets Caitlin's middle-aged boyfriend. Diana refuses to back down from a challenge; Josh rebrands.

The Empirical gang heads to Frankfurt for the world's biggest annual book fair.

Change is in the air at Empirical, and Liza considers her options. Kelsey receives surprising news, and Charles finds a solution.