The mysterious plane disappearance of 1972 quaked the world when one hundred ninety-seven passengers essentially vanished. Communication with the outside world was impossible, which led the survivors to establish their settlement on Isla de las Aves. As the grandchild of the pilot in the present day, you suspect the civilization's self-proclaimed leader may possess more malicious intent than he lets on to the rest of the villagers. But what will you do when an elusive merman from an entire civilization that's been hidden underneath the whole time decides to make himself known to you and only you?

They've seen everything from the depths. They know everything. And Caspian wants to know how far you're willing to go to protect the people who are turning against you and find out the truth.