When Eve and Oscar are exploring an old curio shop, Eve finds a small crystal figurine of a tiger. Before she realises what it is, she touches it and finds herself hurtling down a fast-flowing river towards a steep waterfall. It's happening again! Oscar and Eve have entered the dense jungle of Griffid, where tigers rule and every step seems treacherous. However, the jungle is shrinking and the tigers' world is in grave danger. How can Eve and Oscar solve the riddle and save the jungle and its precious inhabitants?