Hailey Morgan’s life has always revolved around music. She once had big dreams of becoming a professional songwriter, but the reality of life has led her to working as an assistant high school band teacher in Portland. As the holidays approach, Hailey dreads the annual tradition of spending Christmas with her family and dodging her mother’s meddling questions about her love life.

Christmas in Copenhagen is a magical time of year but Darcy Cotterell isn’t feeling festive. Newly single, again, she's not even going home for Christmas. Instead she will be spending her holiday finishing her art history PhD. Her best friend, Freja, has other ideas. She signs Darcy up to a dating app, determined that she won't be lonely this Christmas.

Kezia Cooper Hobson, recently widowed, arrives in New York from San Francisco. Determined to make a fresh start, she has just completed the sale of her Pacific Heights home, not to mention her husband's venture capital firm, and in doing so, is also freed from her responsibility as a board member of the company. Bringing with her only a few personal treasures, she is excited to move into the blank slate of a beautiful midtown penthouse, in the city that she has always loved. It is also where her two adult daughters now live.

The Somerville sisters believe in love, but they’ve lost faith it will happen for them. Reggie hasn’t been home since the end of the world’s shortest engagement. When her parents decide to renew their vows, she buffs up her twinkle to help with the Christmas wedding. Unexpectedly, Toby, her first love, is back too, and the spark between them shines as brightly as ever. In the spirit of the season, will they let go of past hurts and greet the New Year together?

Once upon a time, when her dad married Sage’s mom, Daisy was thrilled to get a bright and shiny new sister. But Sage was beautiful and popular, everything Daisy was not, and she made sure Daisy knew it. Sage didn't have Daisy's smarts—she had to go back a grade to enroll in the fancy rich-kid school. So she used her popularity as a weapon, putting Daisy down to elevate herself. After the divorce, the stepsisters' rivalry continued until the final, improbable straw: Daisy married Sage's first love, and Sage fled California.