An American man unwittingly gets involved with French werewolves who have developed a serum allowing them to transform at will.

The Bradys are surprised when a man claiming to be Carol's long lost first husband shows up at their home. Before long, his strange actions cause them to question his motives.

With a little help from an angel, Mercedes Wright, a fast-talking popular relationship therapist with all the answers when it comes to fixing everyone else's marriage, must now use the magic of Christmas to find the secret to save...