SynopsisRevenge, hatred, and sorrow had consumed her and all she wanted to do was make Nicholas regret it all...Lizzy Scroff thought she had the perfect lifeuntil the day she caught her husband, Nicholas, betraying her. In a single afternoon, she lost her marriage, her trust, and the future she had dreamed of for her little daughter.Broken but determined never to be powerless again, Lizzy agrees to a contract marriage with the cold, enigmatic billionaire CEO, Ethan Blackwood. What begins as a business arrangement soon gives her access to unimaginable wealth, influence, and power.Consumed by betrayal, Lizzy transforms into a woman Nicholas no longer recognizes. Her only goal is revenge. One calculated move after another, she tears apart everything he holds dear, making him experience the same pain he once inflicted on her.But as revenge consumes her heart, Lizzy finds herself caught between the darkness she's embraced and the unexpected love growing between her and the man who gave her a second chance.When hatred becomes your purpose, can love still save you... or will revenge cost you everything?His Biggest Regret is a gripping billionaire romance filled with betrayal, revenge, redemption, and a love powerful enough to change even the most broken heart.