Zamboanga.

In the shores of Sulu lives the sea-faring tribe that is ruled by Datu Tanbuong. His granddaughter, Minda is betrothed to be married to Danao, who is a handsome young pearl fisher who presents a handful of impressive pearls to the datu. However, a visitor to Danao and Minda's wedding celebration is Hadji Razul, a chief of another tribe who has feelings for Minda.