The Adventures of Tintin: The Secret of the Unicorn (video game) wants to get the third scroll, and that he is in fact Allan's boss. After a fight with Allan, Tintin gets the third scroll and heads off to Brittany, where he and Haddock earlier identified as Sir Francis' hideout. Learning that the scrolls contain the coordinates of the treasure of Red Rackham, Tintin and Haddock plan to head there, but Haddock is kidnapped by Allan, who uses him as a hostage to get the scrolls. After rescuing Haddock, Tintin discovers that the treasure is hidden within Marlinspike Hall. There they find the treasure and Thomson and Thompson arrest Allan and
Tintin and the Picaros to go alone. Once there, the Captain and Professor are taken to a rural villa, where they are closely monitored by the security services. Tintin joins his friends a few days later, where he points out to Haddock and Calculus that their villa is bugged. He recognises one of the staff as Pablo, a man who had saved his life in "The Broken Ear". From Pablo, Tintin learns that the entire scenario is a plot organised by Colonel Sponsz, a figure in the Bordurian military who is assisting Tapioca's government in order to gain revenge against Tintin for the events