The story takes place on Earth in the near future, where technology is highly developed and humans have mastered the preliminary technology of time travel. However, time travel is not perfect, and each time travel leaves tiny "gaps" in time and space. These rifts were considered harmless at first, but as time passed, they began to cause a series of unpredictable disasters - time disruption, historical changes, the intersection of parallel universes...
Purpose: Exploring human nature