Middle-schoolers Nico, Tyler, Ella, and Opal discover a hidden island in a forbidden cove that appears uninhabited, but something ancient has awakened knowing their wishes, dreams, and darkest secrets.

Middle-schoolers Opal, Nico, Tyler, Emma, and Logan find their friendships tested as never before when the townpeople panic, something cryptic surfaces from within the Darkdeep, and a newcomer arrives with an agenda.