Watch Online Free on Watchseries. The Blue Pearl depicts the interplay between a young man from Tokyo and two ama (pearl divers; literally “women of the sea”) in a superstitious coastal town. Though raised within the same tradition-bound crucible, the two women – Noe and Riu – are portrayed as diametric opposites; the former meek but affectionate, the latter strong-willed but jaded by a tryst with metropolitan life.