The movie follows the story of that seller Jim Ferguson, who lives in New York City today. Jim's life seems to turn into a completely unexpected course when he falls into a time gap and is moved to 1917. It's a special journey where Jim is moved to his twin - James 'Biggles' Bigglesworth - in a fatal condition, and Jim comes to his aid. During this period, Jim is engaged in his mission to destroy the 'voice weapon' of the Germans, a task that could cost their lives.