The story revolves around young reporter Tintin, The Secret of the Unicorn's dog Snowy, and his friend Captain Haddock, who discover a riddle left by Haddock's ancestor, the 17th century Sir Francis Haddock, which could lead them to the hidden treasure of the pirate Red Rackham.
Head entity: Captain Haddock
Tail entity: The Secret of the Unicorn
Relation (head \u2192 tail): characters
Inverse relation (tail \u2192 head): present in work