It all began using the dreams. But Cassie didn’t pay much focus on them. She and her friends have been having nightmares ever since they obtained the energy to morph. But when Cassie discovers that Tobias has been having dreams too — the very same dreams — about the sea, and a voice that’s calling to them for help, she decides it is time to start listening. Today she and others have to figure out if the dreams are a message, or a trap.