Revenge Proposal: Marrying My Ex's Billionaire Father

Betrayed by her fiancé Daniel and replaced by her stepsister on her wedding day, Sophia accidentally falls into the arms of Daniel's powerful father, William. William proposes a contract marriage to help her get revenge. As they investigate, Sophia discovers she is actually a swapped heiress and her parents were murdered. Together, Sophia and William expose the culprits, reclaim her family's corporate empire, and turn their fake marriage into true love.