Nobita and Doraemon utilize the time tree Mochi to capture a large bird called the Moa, which was thought to be extinct 500 years ago. Nobita and Doramon travel to Beremon Island, which is guarded by a golden beetle named Herakles, in order to protect the animal from extinction. On Beremon Island, they meet a girl from the Rokkoro tribe and a kid who resembles Nobita...