

In my previous life, my parents doted on my frail, sickly younger sister.For her sake, they chose a hawk beastman willing to settle in a human city as her husband.Me? They cast me into the deep sea,marrying me off to a giant shark beastman.When the apocalypse came and torrential rains drowned every human city, my parents and sister were left clinging to a rotting plank, adrift on the endless ocean.I couldn't bear to watch them die. With my giant shark husband, I dragged them down into the deep sea to safety.But resentment festered. Seeing me live comfortably while my shark beastman hunted day after day, my parents grew furious that my sister's life paled in comparison to mine. In their jealousy, they laced the fish we ate with poison and killed me.Now, given another chance at life,they've decided my sister should marry the giant shark beastman instead.My biased parents believe she will finally enjoy the blessings they once denied her.But what they don't know is this: after the cataclysm, fish become scarce. And a giant shark… does not survive on scraps. He needs flesh.

Kang Do-hyun chooses an ordinary life as a taxi driver to avoid inheriting his father’s family business. One day, he happens to rescue Cha Eun-seol, who is fleeing a chase and has accidentally taken the wrong medication. After a one-night encounter, they part ways and return to their separate lives. Four years later, a stylish CEO shows up with a child and proposes marriage to Do-hyun. After registering their marriage, Eun-seol faces pressure from her parents to abandon the child, but Do-hyun appears and protects both mother and daughter. As her company falls into crisis, Eun-seol attends a family banquet of Taegang Group—the most powerful conglomerate in Country A—to secure a 10-billion-won investment, unaware that the chairman is actually her husband’s father. At the banquet, despite pressure from her former fiancé Gu Jung-tae, Do-hyun’s father protects his granddaughter Kang Rumi and makes his presence known, yet he can only approach her as a “grandfather” without revealing his true identity. As time passes, Do-hyun and Eun-seol grow closer. However, after failing to secure investment, Eun-seol risks both her company and her board position by making a dangerous bet with her father, Cha Myung-hwan. At this critical moment, Do-hyun seeks out his father, accepts the responsibility of becoming the heir, and begins to take action himself. In the end, at a press conference, the capital and influence Do-hyun has prepared turn the situation around. Eun-seol not only saves her company but also secures full ownership, achieving both love and success.