Three children, two brothers and their friend, win a lottery ticket at sports forecasting. Upon deciding not to tell their parents in order to buy a ship, two criminals find out about this and try to steal their money.
A young boy, Ive, and his friends set sail on the sea in order to try and repay his father's debts. They name their boat "Sinji galeb". Soon, the pirate Lorenco and his gang notice the children on their boat.
