Vivienne Perello appears in the second scene. She gives a soldier a blowjob while Lydia watches. The soldier undresses Vivienne and fucks her from behind, then in the missionary position over the desk. Eventually Lydia begins to fondle her own tits. The soldier pours oil on Lydia's hand for her to fist Vivienne and takes off Lydia's bra. The soldier ends the scene by wanking off over Vivienne's body.
Vivienne is also in the fourth scene - lesbian dildo action including anal.