The brilliant and eclectic team of U.S. NCIS Agents and the Australian Federal Police (AFP) are grafted into a multi-national taskforce to keep naval crimes in check in the most contested patch of ocean on the planet.

Olivia, struggling with writer's block after a break up, takes a tropical holiday in hope of some inspiration and meets Prince Alexander, who needs some distance from his duty to marry royalty.

When the fairytale royal wedding of Olivia Perkins and Prince Alexander is derailed by an archaic law, the couple must confront an uncertain future and fight for their right to be together.

Despite busy schedules causing distance, Olivia and Prince Alexander travel to Torovia for Christmas with his family. Clashing cultures between their families lead to various mishaps.