 The McBee family has erected a government over a future  colony , that looks like a run-down Paris divided into sectors by the Berlin Wall. All male family members suffer from a mysterious disease and are in urgent need of organ transplants. The perfect donor, Tykho Moon, probably has been killed in a fire, but according to rumours he s still alive. Although assassins stalk the family members, the McBees start a hunt for Tykho. Trying to escape the dragnet, Alex, a sculptor, meets Lena, a killer posing as a whore.