Romana fancies a proper holiday and convinces the Doctor to visit the leisure planet Argolis, where a takeover by the Argolins' historic enemy is underway.
Family picnics should not be like this; bugging devices, men with X-ray eyes. Mary doesn't understand what terrifies Simon, nor the bizarre events of the next six months.
Beverly wears low-cut dresses, too much make-up, and has a reputation as a man-eating monster. She turns a social get-together between married couples into a virtual time-bomb of emotional tension.
