An ancient map points the way to a lost treasure, and two men will stop at nothing to possess it.
dreams of adventure on the high seas, but when an emissary appears in
his sleepy fishing town with a secret message, he finds himself caught
up in race to stop the deadliest pirates on the high seas from gaining a
power thought to be a mere legend. Join Finn on a swashbuckling
adventure filled with magic, monsters, and buccaneers as he sets off in search of Neptune's Key!