The gorgeous and charismatic Bo is a supernatural being called a succubus who feeds on the energy of humans, sometimes with fatal results. Refusing to embrace her supernatural clan and its rigid hierarchy, Bo is a renegade who takes up the fight for the underdog while searching for the truth about her own mysterious origins.

An environmental police officer uncovers a hidden world of mythological entities from Brazilian folklore when he finds a connection between the mysterious appearance of a dead river dolphin on a Rio de Janeiro beach and the death of his beloved wife.