It's Christmas in New York! Liza must attend a party with Caitlin and her ex-husband, Kelsey finds herself caught up in a web of her own making as she struggles to keep both her relationships under wraps, and Charles glimpses Liza’s other life.

After the holidays, Liza adjusts to a new normal as she and Charles take their relationship to the next level. Maggie hears some hard truths from an ex, and Kelsey course-corrects her love life.

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

Liza and Kelsey reach breaking point at a work retreat. Liza receives news that changes everything.

Liza hunts for a new romance author, bringing her closer to Charles. Maggie slashes an art competitor.

Liza discovers an exciting new author, whose pitch takes an unexpected turn. Kelsey avoids the wrath of Charles, and escapes upstate with Josh and Lauren.

Liza pursues a new relationship as Kelsey revisits an old one. Diana learns the truth about Richard. Lauren encourages Josh to follow his heart.

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

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

In a last-ditch effort to save the company, Charles takes Empirical and Millennial to the world's biggest annual book fair in Frankfurt, Germany where Liza receives an offer that could uncomplicate her life.

The success of Liza and Kelsey's latest title spurs a Twitter feud, ending in disaster. Maggie meets a woman with a little something extra.

Liza receives a great opportunity at work, but there's a catch. Josh meets someone new. Maggie rustles some feathers.

Sparks fly at the annual Empirical Publishing picnic. Liza finds herself caught between Josh and Charles.

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

Kelsey is torn between Jake and Zane, Liza helps Charles retrieve an eccentric rock star's manuscript, and Diana ventures to Staten Island.

Liza and Kelsey find themselves at odds over two book offers when a self-made billionaire pitches a book on power to Millennial. Kelsey is honored with an award, and Lauren works her magic as a publicist.

Maggie debuts a new art show at an unconventional venue; Clare helps Kelsey at work, as their dating lives become intertwined; Liza convinces Charles to come to her literary salon where a major talent reads.

After a bedbug scare forces Liza into some uncomfortable and illuminating sleeping arrangements, she struggles to close the deal on her first literary find.

Liza and Kelsey dive back into the dating pool and quickly discover it's much more complicated than they'd hoped.

Liza gets to know a charming journalist and confronts Charles, Diana agrees to a date with a familiar face, and Josh wants a reset.

Liza worries about her daughter's online activities, Kelsey's relationship with Jake crosses a professional boundary, and Josh contemplates a long-term decision.

Things seem to be warming up between Liza and Charles, but a piece of intel and an exotic trip make Liza feel iced out; Kelsey moves into a new apartment, and Lauren throws her a housewarming party with a surprising ending.

40-year-old Liza passes herself off as 26 to land a job in the field of her dreams. Now she just has to make sure no one discovers her secret.

Liza deals with the aftermath of coming clean with Kelsey, and Charles tests their synchronicity. Kelsey and Josh become unlikely allies.

Liza is drawn into her author's Upper East Side life, forcing her worlds to collide. Kelsey comes to Lauren's rescue.