The novel is focusing solely on the male and female lead’s romance.
She’s aware she’s being hated by everyone, and thus she’s not trusting anyone. It’s her father who sells her off, and she agrees to make a deal with the king of her home country in exchange for saving her mother’s life. It cannot be a good deal for her as they want her to assassinate the male lead. Regardless, she wants her mother to receive treatment so she will have to endure the new palace.
The story is intriguing. The characters are interesting and don’t seem to be a basic sheet of characteristics. Instead, their motivations are hidden much deeper than what meets the eye.