Squatters live on a mothballed oil tanker in the Persian Gulf. The children attend a school on board; men harvest scrap metal and old oil in the hull; women keep house and raise children and Captain Nemat runs it all with an iron hand. We follow a lad who rescues fish trapped in the hull, an old man who stares at the sun, the idealistic teacher, and Ahmad, the Captain's assistant who has fallen in love with a young woman whose father wants to marry her to someone of means. What future has this sinking city?