A UFO transports three children back to the prehistoric. Three kids who have heard a mysterious call from advanced beings whom are about to take them in a journey of self discovery through the ages learning from love and friendship but also hate in a world of dinosaurs.

A remake of episode 22 of the TV series, the 999 is attacked by the pirate ship Queen Emeraldas, which forces the train to a pirate planet. There Tetsuro and Maetel are captured by the pirate Emeraldas, a caped woman who seeks to switch her body with Maetel's.