Becky is stranded at the airport. So when she bumps into her brother's best friend, Will, and he suggests they drive home together, she reluctantly agrees. For the first time, Becky is dreading Christmas, and only Will knows why. Can she trust him to keep her secret?

Her twin sister, Rosie, married Declan after a whirlwind romance, and now the cracks are starting to appear. Rosie and Declan have agreed to hide their problems from her family, but Rosie's insecurities are growing. Will this Christmas bring them closer or drive them apart?

Hayley can't wait for her first Balfour family Christmas with Jamie. The Balfour Christmas traditions sound wonderful, but she's worried about her place in this close-knit family. Will there be room for her, too? And how will they react to the secret she and Jamie have been keeping?

Despite everyone's best intentions, all the chaos and confusion could derail their normally happy holidays. Can they tell each other the truth in time to enjoy a perfect family Christmas?