Astronauts on a trip to Venus bring an innocent looking flower back to Earth only to find out that when the flower blooms it releases a monster.; After ten years work, a noted British physicist creates a time-traveling machine, intending to go back in time to prevent the sinking of the ill-fated ship, The Titanic. The reason: his late parents were aboard that vessel and saved his life by giving theirs. However, by strange quirk of fate, George causes the very disaster he went back in time to prevent, but also saved himself as a boy before he died saving him.