Inviting her best friend from each phase of her life, widow Hollis Shaw hosts an unforgettable weekend on Nantucket, during which things don't go as planned as each woman deals with heartbreak, infidelity, scandal, and secrets, but things turn around due to new friendships, unexpected romance, and self-discovery.

While preparing for Christmas at the Winter Street Inn, Kelley Quinn and his family find the holiday season thrown into chaos when three of their exes show up.

Some of the stormy weather of the past few seasons seems to have finally lifted for the Quinns. Kevin is about to tie the knot with Isabelle, and there's hopeful news about Bart, who has been captured by enemy forces in Afghanistan. That doesn't mean there aren't a few dark clouds on the horizon as the family juggle health scares and love triangles. But if there's one holiday that brings the Quinn family together, it's Christmas. And this year promises...