Kim Sa Ra is the epitome of a girl crush with no coyness or connections. After watching her mother suffer by her father's side, Sa Ra realized that marriage was a reality and married the affluent Noh Yul Sung instead of poor Dong Ki Jun. But soon, she found herself in ruins. Once a daughter-in-law of the Cha-Yul Law Firm, Sa Ra became a divorcee in jail and was left penniless without custody. Now, her goal is "Zero." Turn Yul Sung's assets or income into zero or lock him away with zero tolerance. That's the only way she can get her child back. In front of Sa Ra, who believes marriage is the graveyard of love, her ex-boyfriend, Ki Jun, appears after eight years. Ki Jun still believes that marriage is the completion of love and asks Sa Ra, who claims that justice is all about getting the bad guys to plead, who comes up with the standards. As they discover that Yul Sung played a role in ending Ki Jun's career as a prosecutor, Sa Ra and Ki Jun join forces for their great revenge.

Su Ryeon finally takes revenge on the residents of Hera Palace. They lost all of their money by investing in Cheonsoo District, and even worse, they stand before the court for covering up Seol A's death. Those greedy residents of Hera Palace who caught themselves in their own traps end up losing their fortunes, reputations, and everything they had, and Su Ryeon succeeds in getting her revenge on Dan Tae who tried to kill her. When Su Ryeon thought the nightmare is finally over, she witnesses Logan's death right before her eyes. Who could have planned to murder Logan, and what will happen to the residents of Hera Palace next? Their desire for revenge is not over yet.

Seo Jin and Dan Tae eventually get rid of everyone who was in their way. They shamelessly frame Yoon Hee for the murder of Su Ryeon and even cover up the death of Seol A. The residents of Hera Palace believe everything will return to how it used to be. However, the tides change when Yoon Hee escapes prison and Eun Byeol discovers the truth. Their mysterious fates are still yet to be seen. Will they manage to protect their precious palace until the very end?

The residents of Hera Palace, a luxury penthouse apartment with 100 floors, have many secrets and hidden ambitions. Sim Su Ryeon, who was born into wealth, is the queen of the penthouse apartment. Cheon Seo Jin, the prima donna of the residence, does all she can to give everything to her daughter. Oh Yoon Hee comes from a poor family background, but she strives to enter high society by becoming the queen of the penthouse, the pinnacle of success in her eyes.

We live in a world full of hatred and rage, where people are not even surprised by horrible and heinous acts of crime anymore. While some continue with their lives shivering in fear, some decide to end their misery by taking their own lives. The lack of humanity in our world led us to believe that we can't put our trust in others. But what if these heinous crimes and horrible accidents were caused by something other than humans? What if there was more to what meets the eyes in this world? This is a story about a private detective and his sidekick whose mission is to solve mysterious crimes by hunting down spiritual beings.

When Eun Soo was a home shopping host, she met Tae Won at work and married him. Eun Soo and Tae Won have a daughter. Because of the serious conflict between Eun Soo and her mother-in-law, however, Eun Soo and Tae Won get divorced after four years. Eun Soo maintains a friendly relationship with Tae Won. After getting divorced, Eun Soo works as a home shopping host again and remarries Kim Jun Gu, her current husband, but she can't live as an ordinary housewife as she imagined. Hyun Soo is Eun Soo's younger sister and runs a company with Kwang Mo who she met at a dog shelter when she was 25. She has a crush on him, and it's quite heartrending to be in one-sided love. Two women's lives change with marriage, divorce, and remarriage. How will their lives work?

Park Ki Ja is Style's chief editor. She is a strong character who is known as the witch with her confident and fashionable personality. Seo Jung is a rookie assistant in Style. She only assists Ki Ja with her work and has trouble finding her place as an editor. Seo Jung gets interested in the man of her boss. For her success and love, she challenges the charismatic chief editor. The man of her boss, Woo Jin, is a Bohemian chef who cooks with macrobiotics. How will things end with the gentle and dandy Woo Jin and the charismatic Ki Ja?

Kang Ma E, who has received the best education, is a notorious conductor of an orchestra. His musical genius is well known to the music world, but no one can take his straightforward manner of speech. But then he returns to Seoul and takes charge of an orchestra of a motley crew. Gun Woo is a talented trumpeter and conductor. He is a tough and loyal man, and he may not look like a musician who needs to be meticulous. However, he meets Ru Mi in the orchestra, which becomes a turning point in his life. Ru Mi is a violinist with delicate features, but she is a tomboy. Ru Mi and Gun Woo share a passion for music. They build up an orchestra of harmony, together with many other music players with their own stories.