There's trouble in the island paradise of Hawaii when pineapple plantation tycoon Richard Howland (Charlton Heston) objects to his sister's intentions to marry a full-blooded native. Sloan (Yvette Mimieux) incurs her brother's wrath when she pledges her love to Native Hawaiian Paul Kahana (James Darren). Richard fears the racially mixed marriage will stop any chances he has of becoming a senator. When Richard accidently kills Paul, Sloan takes comfort in the arms of Paul's half-brother Dr. Dean Kahana (George Chakiris). The bigoted Richard's idyllic bubble is burst once again when his Chinese mistress becomes pregnant in this drama of social injustice and intolerance