Preston and Constance Whittier have built a happy life together, with a brood of six children raised in a beautiful historic Manhattan mansion. Now, with a nearly empty nest, it’s easier than ever for the Whittiers to maintain their tradition of a solo romantic “Wintermoon” ski trip. But with this year’s trip comes tragedy, and suddenly the Whittier’s adult children find themselves reuniting in the family home without their parents for the first time ever. The eldest four are forced to put aside their personal issues and their grief to keep the family together.

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.

India Taylor lived in a world of manicured lawns and neatly maintained calendars: a merry-go-round of Little League, piano lessons, and Cape Cod summer vacations. With four wonderful children, India believed in commitment and sacrifice, just as she believed in Doug, the man she married 17 years before. For India, this was the promise she made, the life she had chosen - not the award-winning career as a photojournalist she once had. It was a choice she had never truly regretted. Until she begins to regret it with all her heart.

Oscar-winning actress Ardith Law is a Hollywood icon. Radiant at sixty-two, she is the epitome of glamour and a highly respected artist. But her success has come at a price: she has a strained relationship with her daughter, Morgan, who at thirty-eight still blames Ardith for putting her career before being a mother. Morgan is a successful plastic surgeon in New York City—and the distance from Ardith's Bel Air mansion is not lost on either of them. Ardith became a single mother when Morgan was seven, after her unfaithful husband died in a helicopter accident.

With wit and intelligence, Danielle Steel explores love in all its guises, taking us into the lives of three unusual but wonderfully real couples. One Day at a Time is at once moving, thought provoking, and utterly impossible to put down.

Charles Vincent seems to have it all—a beautiful wife, two successful children, and a well-paying career. Yet happiness remains out of reach. He is trapped in a loveless marriage and his job is simply a paycheck. But his life changes forever as he drives along the Normandy coast, heading to their lavish château for the weekend. In one terrifying moment, Charles falls asleep at the wheel and veers off the road, plunging thirty feet down the face of a rocky cliff. Miraculously, Charles survives.

Spencer Brooke always knew she was destined to be CEO of her grandfather’s business—the most respected and luxurious department store in New York City. Brooke’s has been at the center of every happy memory she has, but it hasn’t been an easy journey. Seven years after her father’s death, her life is very different from the days when she walked through the store with her grandfather as a young girl. She may be the owner of Brooke’s, but she’s also now a divorced single mother of twin boys.

Faith Ferguson is New York's most in-demand wedding planner, an arbiter of taste for elegant affairs, lavish ceremonies, and exclusive fêtes. She appreciates a simple celebration as much as a dazzling event, for she knows that a dream wedding is not necessarily the most expensive one. As much as Faith enjoys her work, her two failed engagements leave her with no desire to get married herself. She finds fulfillment in her close relationship with her twin sister, Hope, her role as a mentor for her assistant, Violet, and her career.

Darcy Gray is a successful influencer with her blog, The Gray Zone, trusted by more than a million followers for her integrity and taste. At forty-two, she has the life she wants in many ways. Darcy and her husband, department store magnate Charles Gray, are a power couple in Manhattan and on the international stage. Their beloved twin daughters are each enjoying their junior year abroad, Penny in Hong Kong and Zoe at the Sorbonne in Paris. To celebrate twenty years of marriage, Darcy impulsively flies to Rome to surprise Charlie, who is tending to business interests there.

Theodora Morgan is fashion royalty. Founder of a wildly popular online shopping service, she is one of the most successful businesswomen in the world, although she prefers to keep a low profile, especially over the last months. It was a year ago when the unthinkable struck her family: Her husband, industry mogul Matthieu Pasquier, and their son were kidnapped and held for ransom—a nightmare that ended in tragedy. The case has gone cold, despite evidence linking the crime to Matthieu's Russian competitors.