Cruel Intentions , released in the final year of the nineties, is a fondly regarded classic from the era, rammed with a collection of young and up-and-coming stars. Based on the classic Les Liaisons dangereuses , Roger Kumble's nineties update was clever and current; however, a quarter of a century later and now playing at Royal & Derngate, does it still work, and more importantly, does it work as a musical? The quick answer to the latter is no, but theatre persists, so what about the story? Kumble's adaptation tells of two wealthy step-siblings, Sebastian Valmont and Kathryn Merteul, sex-obsessed, constantly warring, and attracted to one another. When they begin a bet for Sebastian to deflower the new headmaster's daughter, Annette Hargrove, before the start of term, events spiral quickly out of control. Following in the footsteps of the well-remembered performers from the film does weigh on the cast. Will Callan, playing Sebastian, and Nic Myers, as Kathryn, are fine ...