"general" storyline would be better term, something like noble who earn their glory through honorable life based on principles of chivalry etc. of course, there is always some level of lie and treason, but it it totally prevails, than i believe such general storyline is disturbed
The common medieval nobleman was not a knight as we know it from the romanticised versions. There were books about these knights in the Middle Ages, and there might have been a few trying to live up to it, but the most common nobleman would be called a merciless brute in this modern age.
By now I think you are completely deluded into a fantasy-world where nobody lies and everybody plays nice and makes sure you get this feeling of being victorious! Reality check, Stue. You can't force people to play their character as you wish, and if they choose to be lying bastards that stab you in the back, then you will just have to accept it (and probably never trust that character again).
