An unnamed American man, identified only as #1 (Hus Miller), finds himself on a bus in Dakar, Senegal, with a bomb attached to his chest and ten hours remaining before detonation. He receives a phone and earpiece, and a voice—belonging to Willem Dafoe—explains that he will be freed after completing five assignments. Around the second mission, #1 encounters another American, designated as #2 (Cam McHarg), who is al…