Chaos erupts when Knutsen and Ludvigsen realize their tunnel is at risk of being taken away. Their only hope lies with the mythical pirate, Captain Knutsen. However, his whereabouts are unknown. Thus begins an extraordinary quest as Knutsen and Ludvigsen embark on a thrilling adventure to locate Captain Knutsen and rescue their tunnel. Yet, the solution is surprisingly nearer than they ever imagined. It resides within the tunnel itself, boasting hundreds of heads and at least fourteen legs…