Luca Di Angelo is an idealistic family man and dockside worker whom works for a shady underworld smuggler in hauling illegal merchandise, imported cigarettes and booze, down the coastal waterways of Naples, Italy. Things in his life become complicated when his brother and a number of fellow smugglers are murdered by a rival smuggler from France, known as the Marsigliese, whom is determined to become drug kinpin of Italy and wipe out all competion. Luca must join forces with rival Naples smugglers, a powerful Italian Mafia, as well as the local police to track down the French sadist when he abducts Luca's wife.