Cunning and brave, Kitty Fontaine temporarily becomes a thief at night - she must find and steal the precious “Blood of India” ruby, the price for which they promised to save her father, who was sentenced to execution. During one of her nightly forays, she meets the Tiger, a daring thief, a famous thief of jewelry and women's hearts, and later at the ball she recognizes the Tiger in the seductive and vicious Count Aveli. From now on, they are connected by inextricable bonds, which they themselves are not yet aware of. The search for the ruby leads them to the country of their childhood - India, where a deadly trap awaits them both...