Mark is happily seduced by Roxy, who plays down her surprising outburst of romance, so Harlow can escape from hiding, he gets frisky enough to allow her literally dirty poses in his frantically cleaned home. Even in bed at their posh hotel, the 'happy couple' can't avoid worrying about the ominous exes omen, but passes on to holiday fun, mostly beach- and pool-located, until he spots his third, Brazil ex Christina at the bar, which spooks him even worse, claiming he can't go on with the wedding. Shilea spoils Gary's next date by pointing Rebecca is a Paul-ex.