Axel Munthe, scientist and architect, is a remote personality so obsessed with the power and beauty of the sun that it drives him to blindnes. Diana Dibianco is a photographer searching for locations on the Italian island of Capri- the island of the sirens, as she is warned. She comes across his villa and discovers the energy held in the mediterranean light that floods it. Slowly their lives become unalterably intertwined as she becomes infatuated with his work and loses sight of where his life ends and hers begins.