To save Poland from a catastrophe, Suzanna has to solve the card game riddle and guard the secret. And she has to find a secret chamber in an old castle. What is waiting for her there?

Suzanna wakes up on a boat and the player tells her to pick up the bottle on the floor. Inside it there's message with are four card suites on it: diamonds, clubs, spades and hearts. There's also the inscription that says," Unlock the secret chamber in Wawel castle on yonder hill and you’ll find out how to deliver Poland." The player tells her she must be in Kraków. But what does the message mean?