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
Casino Royale (2006 film) Montenegro. MI6 enters Bond in the tournament, believing a defeat will force Le Chiffre to seek asylum with the British government, which they will grant in exchange for information on his clients. On the train to Montenegro, Bond meets Vesper Lynd, a British Treasury agent there to protect the government's $10 million buy-in. In Montenegro, Bond and Vesper meet their MI6 contact, René Mathis. Bond gains the upper hand at the start of the game. During a break, Obanno, furious at the loss of his investment, ambushes Le Chiffre in his suite. After Obanno leaves Le Chiffre's room, Bond engages