After the surprising revelation of the Tempest family history, twins Connor and Grace face a newlydefined future marked by their Vampirate roots. Meanwhile, Sidorios evil Vampirate Empire continues its expansion, making it tragically apparent that no ship is safe. As for the pirates, they have a new mission: wipe out the vampirates.Theres a bloody battle brewing in the seas, and each crew will need all hands on deck. And, this time, Grace and Connor may find themselves fighting for their livesor against each other.