On a bustling train, Donita Dunes, lost in thought, daydreams about the throbbing cocks she's swallowed in her fantasies. The rolling motion of the train rocks her, mimicking the rhythm of a lover's thrusts. She imagines the salty taste of a stranger's come, the feel of a thick shaft sliding in and out of her eager mouth. The crowded train, oblivious to her internal journey, carries her to her destination, leaving her dripping with unquenched desire.