He encounters a beautiful masked woman on a crowded train. The two gradually get closer as the train sways. They end up bumping into each other... A blonde busty housewife, a soft-skinned, fair-skinned busty office lady, and a slender busty office lady in a suit start kissing through the mask. The mask gets wet with saliva. The two get excited in the car. The train and the two go nonstop!