Tykho Moon (1996)

In a dystopian future, the McBee family rules an impoverished colony resembling Paris, separated by a wall like the Berlin Wall. The male members of the family are afflicted by a mysterious illness requiring urgent organ transplants to live. Tykho Moon, considered the perfect donor, was thought to have died in a fire, but rumors say he might still be alive. Ignoring the danger of deadly assassins, the McBees begin a desperate search for him.Against this turbulent setting, Alex, an artist, meets Lena, a deadly assassin posing as a sex worker. As they move through their decaying city, the two become entangled in a dangerous mix of love and betrayal, facing choices between life and death, and ultimately confronting hope and despair.