How do you get the castle key in stick RPG 2?

you need directors cut then go to dangling pianist in the afternoon-night and then there's this guy near the lady's bathroom he has a dollar sign above his head click him he will sell you a card that costs 25 thousand dollars then buy it and ten go into benjamin's club and play castle it costs 1 thousand dollars to play then Dodge the enemies get the red sWord and the key go back to were you spawned then unlock the gate that's all i know after that i think you may have to battle a dragon or something