Plot: Heart of the Sea is an hour-long documentary about Hawaiian legend Rell “Kapolioka'ehukai” Sunn who died in January 1998 of breast cancer at the age of 47. Known worldwide as a pioneer of women’s professional surfing, in the Islands Rell Sunn achieved the stature of an icon — not only for her physical power, grace and luminous beauty, but for her leadership in a community that loved her as much as she loved it