The skipper of the Scottish trawler PD-100 has worked for more than thirty-two years to buy his fishing vessel but is bankrupt and near to lose his ship to the bank. While in the port of Ostend, Belgium, his first mate and son Sean accepts a lot of money to smuggle Chinese illegal immigrants to Scotland to keep the trawler with his father. The crewman Riley helps him in the scheme, and they hide the group in a store below the boatswain store.
However, a Chinese teenagers hides in the engine room, stealing food and leaving money in the galley. The cook, who is a little slow and has issues with sex, finds the stowaway and helps her. Sean decides to stay longer in the North Sea to get catch and avoid problems with customs, leaving the immigrants in the most subhuman conditions. When one of the Chinese dies, despair is triggered leading the crew to tragic actions.