The Alpha's Fated Swap

Elara is a single mom who struggles to survive in the cruel werewolf world. Yet, a twist of fate connects her destiny to Alpha Alaric. Alpha Alaric Donovan, the head Alpha, is a charming business tycoon.
When She finds out her daughter was switched at birth with Alpha Alaric's kid 6yrs ago. He takes her to his mansion and throws a document at her to sign. Her: No, I won't leave my child... wait, a marriage contract??