Mark and Andy return to Cavendish for the first time since childhood to care for their ailing father who runs The Museum of the Strange and Fantastic. They quickly find out that Cavendish is not like other towns, and while the brothers become embroiled in creepy misadventures, they soon realize their family dynamic hasn’t changed much since they were kids.

Ten years ago, Andrew married his childhood sweetheart, Beth. Now Andrew’s a high-powered literary agent, but his relationship with his wife has not fared as well. When Beth is tragically killed just days before Christmas, an angel gives Andrew the chance to relive the last three days his wife was alive. But he can’t change fate and Beth will still lose her life. However, Andrew can still discover the gift Beth needs most from him.