Motifs in the James Bond film series can be a private island ("Dr. No", "The Man with the Golden Gun"), underwater ("The Spy Who Loved Me"), mountaintop retreat ("On Her Majesty's Secret Service", "For Your Eyes Only") volcano ("You Only Live Twice"), or underground base ("Live and Let Die"), a ship ("Thunderball", "Tomorrow Never Dies"), an oil rig ("Diamonds Are Forever") or even a space station ("Moonraker")—among other variations. Bond usually sabotages the lair and, with time ticking down, dispatches the supervillain, rescues the principal Bond girl and they escape as the place blows up. In some cases, the villain or his primary henchman escapes to launch
Motifs in the James Bond film series the degree to which Bond girls are pivotal to propelling the plot forward varies from one film to the next. Five of the Bond girls are "bad" girls (or at least working for the villain) who turn "good" (or switch sides) usually due to Bond's influence. Bond has fallen in love with only Tracy di Vicenzo in "On Her Majesty's Secret Service" and Vesper Lynd in "Casino Royale", but both of them die at or near the end of the respective films. Roald Dahl, a screenwriter of "You Only Live Twice", said he was given a formula to work to