I'm not sure as I haven't read it specifically. But generally, a love novel might have themes like the journey of falling in love, the challenges faced by the couple, and the growth of the relationship.
Well, I can't give you specific spoilers. But usually, it might involve unexpected plot twists or revelations about the relationship between the main characters.
In the novel, it turns out that one of the supporting characters has a hidden agenda that impacts the whole story. Also, there's a big twist about the protagonist's past that changes everything. But I won't say more to avoid spoiling it completely for you!
The main spoiler is that the gift exchanged between the leads holds a special meaning that changes the course of their relationship. Also, there's a surprise visit from a long-lost relative that complicates matters but ultimately brings them closer together.
Well, one major spoiler is a surprising plot twist involving the main character's true identity. But I won't go into too much detail to ruin it for you!