People have been living on the planet for a long time, entire civilizations were born, developed, became great and disappeared, sometimes completely without a trace. Dorothy, the heroine of Step into Mystery, devoted her life to the study of disappeared civilizations, the cause of their rapid development and destructive falls. Lately he has been studying the little-known Malambo tribe. This tribe lived on one of the islands of the Pacific Ocean and was quite developed. They believed in their gods and apparently had a significant return from this. But one day the tribe just disappeared one day. This interested Dorothy, she decided to go to the island and find out what happened. The girl needs helpers, so join Step into Mystery.