Cross a Siren, happily enjoying his life with his two younger brothers, but the happiness was cut short when the Black Heart pirate crew visited.. Nightmare and His small crew comes across his village that's been attacked by a different pirate crew, one person stood alive in the village. All the children taken leaving the adults dead. Cross barely managed to survive the pirate's murderous rage, will he trust Nightmare and his crew's help with rescuing the children, especially his two "Brothers".?