Princess Nina Gold is forced to go on a cruise ship by her father, who is under the control of her older sister Sierra. Nina is told that this would 'cure her' of her diet. While on the ship, Nina has to choose a human to be her 'companion.' She decides on Anton Dragomir, a mute human lord from Romania who was sold into the illegal trade happening on the ship. Nina is determined to free him and while they get closer, their feelings grow stronger for each other.

Alongside this relationship growing, Sierra is growing more and more volatile after being passed over to becoming queen. She is doing everything in her power to corrupt Nina and her values. Not only that, but Sierra is disgusted with Nina's relationship. She will do anything to destroy Nina and Anton for good.