After a one-night stand with Sevian, Thea becomes pregnant with his mermaid child and eventually gives birth to an egg. Horrified by what they consider a monstrous birth, her family curses her as a freak and throws her out of the house. Desperate to provide for her child, Thea takes a job at a hotel owned by Sevian, where she suffers repeated humiliation, bullying, and attacks. After a series of unexpected encounters, Sevian finally recognizes Thea as the woman he spent that unforgettable night with. As the truth gradually unfolds, Thea discovers that Sevian is actually a merman. She also reunites with Leon, her long-lost biological father. But her troubles are far from over. Lina and Irene repeatedly target Thea with vicious schemes, humiliation, revenge, and even kidnapping. With Sevian's unwavering protection, Thea survives one life-threatening ordeal after another. Eventually, the villains face the consequences of their cruel actions. Following Thea and Sevian's engagement banquet, the mermaid egg cradled in the elderly matriarch's arms finally begins to hatch. A beautiful little mermaid emerges from its shell, bringing joy and hope to the entire family. After enduring countless hardships, Thea finally finds the family she has always longed for, the love she deserves, and a happy future with Sevian and their child.