A Japanese gangster is exiled to Los Angeles where his brother lives with a small but respectable multi-racial gang, who he inspires to expand their influence.

A prototype enhanced human, on the run from Chinese-hired hit men, hooks up with a dread-locked bystander, and the two of them elude their pursuers narrowly each time.

In an attempt to colonize Mars, 21st century scientists seed the planet with algae to absorb sun light and purify the atmosphere, and cockroaches who in turn spread the algae as they feed. 500 years later, the first manned mission...