The day I became a papa

after a massacre of a village, a brunette baby is the only survivor. Giotto, feeling guilty and pity, adopted the baby and took him in his family. Giotto fell in love with the baby at the first sight promises to protect him. But, after a year, the baby shows no sign of walking or talking and it worried Giotto. Just what is wrong with the baby? Will Giotto lost the baby when an accident occur because of his fault?
Father-son relationship. Sorry for my grammar. English is not my first language.