In 'Philadelphia Experiment II', a time-travel experiment goes wrong, transporting the protagonist to an alternate reality where the Nazis won World War II. He must find a way to return to his own time and prevent the disastrous experiment from happening. Along the way, he faces challenging obstacles and encounters surprising allies.

In a small town, an experiment-gone-wrong sends a man and a woman back in time. As they struggle to find a way back to the present, they must evade the authorities and navigate the consequences of altering history. A race against time ensues as they try to undo the damage and set things right.