Dva dolgikh gudka v tumane (1981)

All the countries' anti-terrorists' unite! That is, unite in a club for fans of detectives movies! Somewhere to the far north, a seaplane carrying a large sum of cash is forced to make a landing. Wind blows the plane away and in the mean time, on another side of the island, someone commits a robbery and kills the witness. But, out of the blue a ferry arrives and the captain is forced to turn detective.