After the British Prime Minister has passed away under mysterious circumstances, all leaders of the Western world must attend his funeral. But what starts out as the most protected event on earth, turns into a deadly plot to kill the world's most powerful leaders and unleash a terrifying vision of the future. The President of the United States, his formidable secret service head and a British MI-6 agent who trusts no one are the only people that have any hope of stopping it.

In Boston, Mary (Henson), an expert assassin, kills her target Marcus Miller, a bookie, in his apartment. She discovers that Marcus had a son, a young boy named Danny (Jahi Di'Allo Winston), when she finds him in his room playing video games. Filled with guilt, Mary takes her leave. A year later, Danny is living on his own and has been working for a criminal named Uncle (Berkeley) and Mary has kept a distant eye on him. When a drug delivery to Jerome (Burke) goes bad, Danny asks for more money, finds it in a fridge, and takes it to Uncle. However, Uncle notices some is missing and smacks Danny when the boy says he used it to get food, with Uncle threatening to hurt the boy. When Danny is taking a nap on a bench, he notices someone swipes his bag and gives chase. Pulling out his gun and getting the thief to drop it, Danny then faints and falls to the ground. Several moments later, Mary finds him..