Ocean pollution spurs genetic mutations. Lorelei, a half-fish mutant girl, faces discrimination. She encounters blind singer Cedric Hale; they rely. Lorelei exchanges mutated blood to help Cedric regain his sight and rise to the top of the music industry. When Lorelei's mutant scaly traits are exposed, public criticism drives her to leave. Cedric abandons fame to find his lover. They work to develop an antidote, expose ocean pollution, and marry by the sea.