Three siblings who move into their ancestral estate after their father's gruesome murder discover their new home's magical keys, which must be used in their stand against an evil creature who wants the keys and their powers.

A brilliant crossword puzzle editor (Chabert) finds her life turned upside-down when she is pulled into a police investigation after several of the clues in her recent puzzles are linked to unsolved crimes. Proving her innocence means leaving the comfort of her sheltered world and working with a tough police detective (Elliott), puzzling through clues together in order to crack the case, as the two are fish out of water in each other's worlds. Written by Hallmark