Watch Blood Oath Season HD Full Free on solarmovie.do. Watch Blood Oath tv series online free. Adapted from the Serbian series Besa, Blood Oath follows an ordinary man who is forced to become a t...Adapted from the Serbian series Besa, Blood Oath follows an ordinary man who is forced to become a terrifying assassin in order to protect his wife and children at the hands of drug dealers. How far will a father go to protect his family?