The story describes the origins of the Hero twins Venus Lord and First Jaguar in Mayan mythology. The twins were born after the death lords sacrificed the twins One Marksman and Seven Marksman for disturbing them with ball games. Venus Lord and First Jaguar were given challenging tasks by the death lords in the underworld but used their cleverness and tricks to pass each test. In the end, the Hero twins defeated the death lords who had tried to kill them.