In order to fulfill her late grandfather's last wish, Sophia sails his boat to his homeland. When a storm throws her into the ocean and damages the boat, she is rescued by crown prince Alex Throne. In the aftermath of their scare, they share a passionate night together. Alex just couldn't control himself, for he saw Sophia as the beautiful mermaid he'd dreamed of when he was a child. But now there's a chance she may be carrying his Alex vows to look out for her until they know for sure and while she waits for her boat to get fixed. Despite chafing under Alex's unrelenting scrutiny, Sophia also begins to crave his company and, before she knows it, she's fallen in love with him. Is Alex falling for her, too, or is he only interested in the royal baby she may be carrying?