Cassandra Nech is a member of the renowned Rogue’s Guild, a collection of the most skilled, the bravest, the most resourceful adventurers and treasure hunters ever. Armed with her trusty crossbow, Cassandra is trying to recover the treasure of the legendary Sea Tyrant, a long-forgotten warlord. It seems like an easy task, but someone else is looking for that treasure too. Moreover, something dangerous could be hiding in those ancient caves. Something dark and… terrible!