The Secret of the Purple Lake

Ajuba, the Fisherman's daughter, has to retrieve her dead father's bones from the bottom of the sea in order to bring harmony back to her seaside village. In fulfilling her task, she must evade the clutches of The Fish-man of the Purple Lake, a monstrous creature who guards the lake with a sword made of a thousand shark's teeth. But the Fish-man, once a beautiful boy called Musa, has his own story about how he came to dwell alone, underwater, cast into the sea by a golden eagle as punishment for a treacherous deed.