After being out of the life of espionage of he cold war. Dean is thrown back into the world that he got out of after thirty years, to only discover thst the lines of betrayal and loyalty get crossed. With his only goal is to set the unfinished business to business that is finished by any mean necessary. Even if it means he has to use his specialty craft of being the chemist. As he travels across continents to set things straight he discovers a whole new meaning to family.