Fiona is a navy archeologist whose expedition in the Aluetians was abruptly evacuated a few weeks ago. Dean's brother went missing in that evacuation; he's bluffed his way into the new expedition to figure out what happened to him. Now the two of them are trapped on the island, being hunted for reasons they don't understand. I enjoyed the mystery/adventure part of this story & was pleased with what they learned about the brother & about the bad ⬇️