In The Last Christmas Claires grandfather, Raymond La Foret has summoned the entire La Foret family to Shadow Island for a Christmas reunion. Raymond taught Claire everything she knows about puzzles so Claire is expecting the occasion to be filled with fun-filled games. However, on Christmas Eve, Raymond announces that he is dying and that since this will be their last Christmas together he has constructed a special game especially for the occasion, The Jean La Foret Memorial Puzzle, dedicated to Claires mother who died five years earlier on Christmas. The rules are simple: whoever solves the puzzle will inherit the entire La Foret fortune; the losers will get nothing. To make matters more complicated, Raymond La Foret suddenly dies mysteriously. Claire finds a note reading, End the game before something happens. Since Claire is the puzzle expert it falls on her to figure out what her grandfathers game was designed to revealperhaps a murderer.