The bounty-hunting brothers named Sisters are tasked by the mysterious Commander to finish off a certain Worm, a gold-digging adventurer. Lucky in life bounty hunters chase a new victim, unaware that their scout is not so simple.

Due to global warming, the Human Survival Project was launched in 2063. A group of children was grown in test tubes from biomaterial from specially selected donors. They did not leave the walls of the laboratory - they lived