A guy named Jim Ferguson (Alex Hyde-White) is visited by an old man (Peter Cushing) who asks if he is all right. Puzzled, he replies yes, and asks the man to go away. Minutes later he's zapped by what looks like lightning and finds himself transported to the Western Front of 1917. He's almost hit by a bi-plane and manages to rescue its pilot before it explodes. The pilot is James Bigglesworth, Biggles (Neil Dickson of SHE WOLF OF LONDON) to his friends.
Then, Jim is back in his apartment. For some reason he's tied to this English soldier and keeps on going back and forth from the present to 1917. The crux of the story is that Germany has come up with a new weapon, a sort of radar dish that can knock planes out of the sky. It's up to them to destroy it. There are some interesting bits, such as when Jim accidently brings his girlfriend back in time with him because he was holding her hand when the time-shift happened. And the end sequence, when Biggles is transported to the modern world and they hijack a helicopter, which they bring back to 1917 with them to destroy the secret German weapon. This movie was made before the advent of computer animation so all the plane shots and explosions are real, which makes a huge difference and adds quite a bit of production value. The movie ends with Jim disappearing in the middle of his own wedding, to find himself in another precarious situation, this time involving cannibals in New Guinea, which was obviously a setup for a sequel which was never made. The one thing that did grate on me was that horrible song the used throughout the film. Otherwise, an enjoyable enough time-travel movie.