Fontaine and Smiling Finn get stuck inside a giant clam as the dark orca pirates battle the Nektons for the giant pearl within! Air is scarce and time is running out. Can the pirates and Nektons work together to save them?

Devil Daniels- Monster Hunter thinks he's hunting a siren- a mythical creature whose song lures sailors to their doom. The Nektons discover it's actually a rare whale with a unique voice, and race to save it from destruction.