On Bossun's 15th birthday, he finds out the truth about his parents. Unable to cope with the tragedy, he lashes out, only to meet the child his father once saved when he was a kid, all grown up, who gives him a letter...
Help each other and value 
the bonds that you have.
"Respeta los vínculos de 
amistad con ayuda mutua."
Ayudaos unos a otros y aprended 
a valorar los lazos que compartís.
Se ajudem e valorizem as
 ligações que vocês têm.