The blonde Carol is a beautiful young woman walking to the French Riviera on the road. After an accident with a rapist truck driver, she swims to a yacht owned by the wealthy George that finds the stowaway and welcomes her with his wife Sheila and their psychologist friend Philip. She explains that she has no recollections of her life and she has nightmares asking her to go to somewhere. Meanwhile, in the ancient and lost city of Kuma, the immortal leader Killikrates promises eternal life to his right hand Men-Hari, if he brings his beloved Ayesha back. Men-Hari uses his power to bring Carol to Kuma and the girl starts to believe that she is the reincarnation of Ayesha. But Philip falls for Carol and tries to find her.