Penultimate episode. Irisa sure learns quickly how handy a knife is for her in the flashback while things are not quite pleasant for Nolan in the present.
In front of Matthew See, Karen Gillan takes off Billie Piper's bikini, Karen then takes off Jenna Coleman's bikini, Billie and Jenna then takes off Karen's bikini. All are now showing their tits to Matthew as he kisses all three of them and sucks their tits.