A beautiful girl, Yōko, gets lost one night during an air raid and is taken in by an orphanage. Eventually, she is reunited with her own family and goes home to live with them. But there, an unexpected fate awaits her as she is subjected to horrific brutality from these people who are tortured by a past mistake.
Set against the background of a giant newspaper company. A girl reporter on the staff of the newspaper witnesses the accidental killing of one of the top executives, whose wife is having an affair with the head of the company.
Rainbow Over the Pacific is a tale of romance that moves from the streets of Tokyo to the islands of Hawaii as it weaves the story of two star-crossed lovers--Hideo (Yukio Hashi), an aspiring photographer from Japan, and Reiko (Jun Mayuzumi), a beautiful Sansei Cherry Blossom contestant from Hawaii--who are drawn together by destiny, yet appear to be fated to be apart. Will the sun set on their young love, or will it be the dawn of a new relationship?