Mary is called upon by her twin sister to act like her before her mate so she can attend an ex-lover's night birthday party at a club. This isn't supported as she is the Alpha Prince's chosen mate. Mary complies just to help her sister, but while being with Alpha George, her brother-in-law, things get rosy. Without her realizing, she falls for him. They make out. George soon discovers who she is same time he discovers his mate had gotten into a lot of mess outside from an affair. He has no choice but to make Mary his pretense mate till everything goes alright. But will everything go alright? And if it doesn't, what will be Mary's fate in his life?