Rei has a startling premonition while studying with the studying with the s at the shrine. The world is coming to and end! Meanwhile, Professor Tomoe, an evil genius, has presented the Sailor Soldiers with a new threat. He's created monsters that can steal people's pure hearts! He won't stop until he finds the three pure heart crystals, which contain the talismans that can bring forth the Holy Grail. And on top of that, two mysterious warriors appear and are after the pure heart talismans as well! The sailor soldiers fight bravely against this new threat, but what's this? They almost lost! This could mean trouble for the Sailor Soldiers.