Thassathol Phongphakawat

A group of scientists are on an expedition to find the fruit of a legendary tree which has the ability to cure any diseases.

Yont has an amulet buried in his body which makes him invincible. Piak wants to buy the amulet but Yont won't sell and he decides to hide it in his son's bodies making them invincible. But Piak will spare nothing in order to get the amulet.

A man finds a stranded mermaid and brings her to his home and takes especially good care of her.