Aeon Flux (1991)

As the episode opens, Æon and Trevor are kissing through the windows of their transports, with the former being in a plane and the latter being in a train. As they do, Trevor uses his tongue to open up Æon's fake tooth and place a rolled up picture inside. After the two of them part, Æon spies an industrial vehicle driving past. Æon then retrieves the picture from her tooth to find it is a photo of a fellow passenger, and a suitcase. She climbs out and moves along the side of the plane to spy on the man, who is reading documents from the same suitcase. Æon must jump mid-air to the back of the plane to get inside, but she misses and falls ...