The Alpha's surrogate

Forced into a marriage of surrogacy by her stepfather's debt, Melinda gets entangled with the brute of an alpha, Lambert.
She undergoes the most inhumane treatment a wife would ever go through in history at his hands and even more channeled by his side piece.
Melinda discovers that she is pregnant and realizes they plot to kill her during childbirth and flees with the pregnancy.
She eventually encounters another alpha who apparently is her mate but there is more, he is the halfbrother of Lambert.
A lot of secrets must be uncovered and buried truth revealed. What happens when Lambert comes for his woman after searching the entire world for her nearly only to find her with his half-brother? What happens now that he is ready to love her?