David is an American architect who relocates across the pond to take up a job at a prestigious London firm. As the clock counts down to Christmas Day, David is running out of time to buy his girlfriend – who also happens to be his boss’s daughter – a thoughtful present so he resorts to buying her a somewhat uninspired gift card.

Mystery Island success raises plans of expansion, and the Island team meets their Mystery Mountain counterparts for a friendly murder game, but the fun ends with a murder in plain sight.