The story
Her mate ran off with her sister. Her sister was promised to someone worse.
Asher betrays his mate Layla when he elopes with her sister Vivian, who was supposed to be marrying Lucian, the most dangerous Alpha King there has ever been. Layla agrees to take her sister's place at that wedding to protect her pack. Both ceremonies happen at the same time, with Asher still under the impression that Layla is his. He works out what Vivian has done to him just as Layla is leaving for good.
