Ten prisoners condemned to exile on a hostile planet XT-59 must pave the way through swamp to reach the Islands of Happiness, the only safe area on the planet, before the harsh climate or the underground horrors kill them all.
Following the tragic death of their parents 20 year old Kira has to look after her 11 yr old brother Danka who suffers from hysterical paralysis. Kira retreats into a world of illusion based on a happier past but suddenly she is faced with a dilemma should she save the life of a child in the street at the expense of her own? Danka has his own crisis and both make decisions which are final.
