Robert Ludlum's the Bourne Legacy

David Webb is a man with no past, he is found barely alive and with no knowledge of how he became washed up into the nets of a fishing boat. He soon realizes he has a past and that his deadly killer identity is Jason Bourne. David is now leaving a quiet life, married with children, but he soon discovers he must once again take on the identity of Bourne in order to save himself and his family.