Ryu and Shakti flight towards to Prof. Aikawa locations, however, they're kidnapped by an ancient Indian cult, the Naga Tribe, who's also looking for the princess and takes them into the Palace of Naga. Ryu is sexually drained and physically debilitated while in captivity, but his grandfather and adventurous Indy Yakko manage to save them. After that, Prof. Aikawa's group goes to Khajuraho Temple to find a golden cup-like artifact called the Sex Grail, which is sealed inside of Rama's sculpture and with it they able to locate and retrieve the frozen princess Surya, who was resting at Himalayas, with using the grail to revive Surya from suspended animated state.