Karan and Priya are the lead performers in a dance troupe. They are also in love with each other. Raj, a millionaire owner of a cruise ship invites them to perform on his ship. Unaware of their love, Raj falls in love and begins to woo Priya. Being wooed by a rich eligible bachelor sweeps Priya off her feet and she agreees to marry Raj...Karan is unaware of this relationship between Priya and Raj. And Raj is unaware of the relationship betwween Priya and Karan. Humraaz is a story of deceit, treachery and love. Full of surprising twists and turns.