Mark becomes one of the first to try out a new machine called the Future Box, which tells his possible future. He's told not to meddle with the future because he will end up stuck there if he wants to stay. Unfortunately, he makes contact with his older self and is now unable to leave. Outside of the future, Song Li, Mary, Powers and Dixon discover that Mark is going through troubles because his pulse is going haywire. Song Li must get into Mark's future to stop it from crashing down and destroying the younger Mark.
