Direct book of ”soldier“

Assuming you are the director of the play “soldier”, how you gonna direct it. For example :at what time,the character came out to the stage, with what kind of emotion on his face. What tones he will he use. And give the reason why.

The frame of the story: A soldier attended a war,but accidentally he killed a child. After the war he can’t fall asleep in a single night. His wife tried to help him but it is not working. But after a year his wife gave him a son. He finally find out the meaning of his life. And he used his guilty to love his son more and more. (The detail parts can be modified)