The Sea Lord's Runaway WifeEpisode 4

Five years ago, marine research director Yelena took a fatal blast meant for mermaid prince Austin and pretended to abandon him in order to protect his life. When they meet again, Yelena has become a pawn in an arranged marriage, while Austin has returned as both a mysterious tycoon and the Lord of the Deep Sea. Believing she betrayed him, he pursues her with vengeance and possessive determination.