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

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

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.