David (Kemp) is an American architect who recently moved to London for a prime opportunity in a prestigious firm. With just three days before Christmas, he must still purchase a gift for his girlfriend, who also happens to be the boss' daughter. While out shopping, David crosses paths with professional shopper Anji (Shetty), who raises an eyebrow over his choice of a gift card. When David and Anji end up crossing paths again, he decides to hire her in the hopes of finding just the right gift. Thanks to a series of unexpected events, David finds himself on a wild adventure across Jolly Old London as Anji helps him search for the perfect gift.