Jeff Leard is relatively new to the relatively long tradition of high-energy, fast-talking one-man Fringe shows. He's deservedly getting great reviews – lots of four or five stars and a “best of fest” award too.

This one, The Jupiter Rebellion: A Zach Zultana Adventure, opens in 2193, some 150 years in the future. Our hero, Zach Zultana, is a geominer out in space. His working conditions are not so good and after the Big Boss turns on him, things get much worse, for him and for his co-workers.

He's demoted to custodial staff but winds up being a force for...