On a quiet sea, the biggest ship in the world is waiting. There is no noise from the engines. Up in the night sky there are hundreds of stars. Behind the ship, an iceberg - a great mountain of ice - goes slowly away into the black night. In the beautiful first-class rooms, rich passengers eat and listen to music. Down in the third-class cabins, families sleep. An exciting new life is waiting for them in America. But for many of the people in this small 'city on the sea', this is their last night alive...