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...
I don't know what they'll be 
like, but one thing is sure...
"No sabemos cómo será nuestro hijo pero
No sé cómo será, pero una cosa es segura...
Não sei como nossos filhos vão ser,
 mas tenho certeza de uma coisa...