Having bought a model
ship,the Unicorn,for a pound off a market stall Tintin is initially
puzzled that the sinister Mr. Sakharine should be so eager to buy it
from him,resorting to murder and kidnapping Tintin - accompanied by his
marvellous dog Snowy - to join him and his gang as they sail to Morocco
on an old cargo ship. Sakharine has bribed the crew to revolt against
the ship's master,drunken Captain Haddock,but Tintin,Snowy and Haddock
escape,arriving in Morocco at the court of a sheikh,who also has a model
of the Unicorn. Haddock tells Tintin that over three hundred years
earlier his ancestor Sir Francis Haddock was forced to scuttle the
original Unicorn when attacked by a piratical forebear of Sakharine but
he managed to save his treasure and provide clues to its location in
three separate scrolls,all of which were secreted in models of the
Unicorn. Tintin and Sakharine have one...

Setelah membeli sebuah kapal model, Unicorn,
untuk satu pon dari sebuah kios pasar Tintin awalnya bingung bahwa Mr
menyeramkan Sakharine harus begitu bersemangat