A mathematician tries to convince his machinist friend to travel through time with him, leading to a heated discussion of man’s hubris and the possible paradoxes that could open up if they disturb the time-space continuum.

A woman tries to understand the space-time continuum and his love.

In a universe that regenerates continually, producing the exact same timeline with each big bang, humans struggle to find meaning in lives over which they have no control.

In the far future, an invention called "the prism" uses quantum mechanics to cause divergences in future timelines and create a means of communication across these alternate realities. Two different women explore the choices they have made in their own lives and the regrets they harbor--and have to figure out how to ultimately make peace with their decisions.

When a scientist discovers science-based information that negates his world's established creation myth and belief system, he sends the world into chaos, with some zealots clinging desperately to their dogma, while others attempt to embrace the unknown future.

A young man struggles to rationalize with fate as he watches the people he loves experience immense pain and suffering. As he learns more about the physics of the universe and slowly teaches himself how to travel through time, he begins experiencing surreal moments where he can actually see the alternative paths he and his loved ones could have taken, and how they would all have been different if they had.

While waiting for an unrequited love to return, an elderly woman ruminates on her role in discovering an elegant alien technology. She feels death approaching and regrets not seeing her love again before she passes—only for him to arrive in the nick of time.

Passengers remain on a bus that may never reach its destination.

Through three tales of impossible machines with abilities to manipulate the physical world, travel through time and space, and bestow telepathy onto an entire community, candidates of an engineering exam in the far future are asked to ponder fantastical implications of technology.