Five years ago, Irene Sterling had a night with Theron, the Alpha, then secretly gave birth to twins, Asier Sterling and Luna Sterling. Five years later, the twins fall ill, a huge medical bill pushing Irene to ruin. She meets Theron, the children's biological father. To save her children, Irene signs a contract, becoming his contractual companion. Theron doesn't know the twins inherited his bloodline and possess extraordinary talent. As truth comes to light, Theron falls for this woman.