It's bad to stab people.
James is drunk in a bar and the man sitting next to him just insulted his masculinity.
James wants to get rid of the other man.
James insults the other man back, and dodges when he attempts to punch James.
James pulls out a switchblade and plunges it into the man's neck.
The bouncers throw the other man out and James is able to continue drinking in peace.
James is subdued by the bouncers and turned over to the local police.