The bus grumbles to life, its engine a low throated growl that mirrors the anticipation building within its passengers. The men, straight and proud, laugh and joke, but their eyes betray a nervous excitement. The first proposition comes quickly, a wad of cash offered for a simple handjob. The recipient hesitates, then gives in, his hand working the stranger's cock with growing fervor. The bus fills with the sounds of pleasure and the scent of sweat and sex as more men succumb to the allure of the forbidden, their inhibitions shed along with their clothes.