At eighteen, Charlotte never imagined she’d become a wife — especially to Elijah, her brother’s cold and distant friend.
He was powerful, feared, and far too complicated for someone like her.
But behind his calm façade lies a secret — a woman from his past who would do anything to have him back.

When jealousy turns into obsession, Charlotte’s life is put in danger the moment that woman discovers Elijah secretly married a young girl.
In a world where love can cost a life, will Charlotte survive loving a man who was never meant to be hers?

Because sometimes, love at eighteen isn’t a fairytale — it’s a dangerous vow.