This is the true story of an elite Navy medical team in a secret mission to save an isolated tribe from extinction. During the year of 2008, the Brazilian Government sent the Navy hospital ship Oswaldo Cruz to the heart of the Amazonian forest, the intent was to locate and make contact with the female leader of the Korubo tribe, and discover the reason for the massive numbers of deaths of those individuals, who were possibly infected by an unknown disease.

This book will take you into a real heart of darkness adventure, through this history, which is narrated from the standpoint of Chief Medical Officer Lieutenant Callia. You will travel aboard a Brazilian warship into uncharted rivers, will make the first contact with unknown tribes, fight river pirates and tropical diseases, survive the sinking of your boat and finally meet the mythic Korubo tribe, led by the fearless female warrior Maya, and her three husbands.

In a world deeply shaken by Covid and at the edge of a global war, this narrative takes us to a situation which proves that centenary conflicts may be solved through humanity, that science can defeat diseases, and that the love for the next one may change the world. And perhaps, at the end of this book, you may find yourself repeating the endless mantra of the Oswaldo Cruz crew members: Health wherever there is life!