Find the best Cruel Intentions musical tickets at Theatre Royal Windsor, Windsor. Cruel Intentions: The '90s Musical is the beguiling story of two of Manhattan's most dangerous liaisons, Sebastian Valmont and Kathryn Merteuil. Fuelled by passion and seduced by revenge, the step-siblings bet on destroying an innocent girl. Weaving a web of secrets and temptation, they become entangled in the cruellest game of all: love. Cruel Intentions: The '90s Musical is laced with all your favourite '90s pop classics, performed live, including Natalie Imbruglia's 'Torn', 'I Saw the Sign' by Ace of Base, Boyz II Men's 'I'll Make Love to You', NSYNC's 'Bye Bye Bye', Britney Spears' 'Sometimes', R.E.M's 'Losing My Religion', 'Bittersweet Symphony' by The Verve and more.