The Martyr that Failed

What does a man do after he fails to sacrifice himself for everyone he loves?After a man fails to kill himself, everyone he holds dear is killed, everything he has is taken, and he's buried alive as a result of his failings. Sebastian comes back and vows to enact his revenge on his kidnappers. He won't kill them, however. He will do worse while finding out more about his kidnappers and his fate.