A family Christmas gathering at Kelley Quinn's Nantucket inn is thrown into turmoil by his four adult children's personal dramas and the discovery of his second wife's infidelity.

Some of the stormy weather of the past few seasons seems to have finally lifted for the Quinns. After a year apart, Mitzi has returned to rule the roost; Patrick is about to be released from prison; Kevin has a successful new business and is finally ready to tie the knot with Isabelle; and best of all, 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....