
Back in Borneo the place she grew up Yoko Tsuno comes across some unusual occurrences While she is visiting some temple ruins two men come out of the jungle & track prints on the ground Yoko hides then sees a strange machine materialising A young girl gets out One of the men tries to kill this girl but Yoko saves her The girl tells Yoko she has come from the 39th century on a mission to arrest a certain Stephen Webbs who has devoted his life to research that will give the world the 'contraction bomb' a bomb that will destroy both earth & all humanity