Legend has it that somewhere in Peru, atop a towering, jungle-covered mountain, stand the ruins of ChaCha Muchos, the Lost City of Dancers. What happened there nearly five hundred years ago remains a mystery. Who were these people? And why, in the end, did the entire tribe dance itself to extinction? When that well-known archaeologist and little-known poet, Cairo Jim, sets out to solve the mystery, he doesn't know that he is not the only one on the trail to ChaCha Muchos...