100 word synopsis

A 4 year old (name) hears the murder of his parents whilst in another room asleep. After his parents death he gets adopted into the biggest crime family. The family begin to train him, and gradually he becomes a very skilled assassin. After numerous missions he becomes more conspicuous about the death of his parents. which leads to him discovering a document which should not have been found. He remains silent, but when the boss of the family founds out he soon becomes a target. This leads to the main protagonist plotting his revenge on his own 'family'.