Woo Ah-Jin lives a luxurious life due to her wealthy father-in-law, but her father-in-law's finances become decimated and her husband betrays her. Woo Ah-Jin's life hits rock bottom. Park Bok-Ja is a mysterious woman and she hides her heartbreaking story. She brings about fierce hardship on Woo Ah-Jin.
Jo Jin-Gab was once a promising judo athlete. He protested against corruption at a game and he was kicked out of the sport. After that, Jo Jin-Gab became a gym teacher. Again, he could not control his anger against the son of the school's chairman. Jo Jin-Gab was once again kicked out of his profession.
Can you confidently love a person who you like but others don't? Muster up the courage and a love that seems like the worst to others can become the best for you. The most-liked guy in the country, who is loved by everyone, and the most-disliked woman in the country, who is criticized by everyone, squeeze out that courage as their feelings for each other grow.
Even though Seo Dong Hee comes from a poor family background, she has a bright and positive personality. She dreams of becoming a designer and slowly works her way to achieve her dream. She decides to become the mother of her nephew and raise him by herself. She also gets involved with Kang Cha Yeol. Kang Cha Yeol’s father runs a big company. His father wants him to work for his company, but Kang Cha Yeol doesn't want to. He wants to go back to the U.S., but he realizes he can't do anything without his father's financial support. His father tells Kang Cha Yeol to work for 1 year at his company.
A man has the intelligence of a 7-year-old due to an accident. Han Yoo Jung is a woman with a bright and positive personality. She aspired to become an announcer, but her poor family background made her give up on her dream. She now works hard to support her family. She also lives in atonement for her fraternal twin sister's wrongdoings.
Min Jae-Hee is a middle aged woman. She is a housewife who has devoted her life to her family, but her family gets destroyed. Min Jae-Hee is furious at the world. Through a mysterious perfume, Min Jae-Hee's appearance suddenly changes to a beautiful young woman. She becomes a model with her new youthful appearance. Min Jae-Hee meets Seo Yi-Do. He is a successful fashion designer, but a mean spirited person.
Kim Seok Joo (Kim Myung Min) is a cold, calculating lawyer who is vying to become successful at all costs. After a fateful accident causes him to lose his memory, Kim Seok Joo must rediscover who he is as a person and choose whether he will fight for justice or fall back into his old ways. Before the accident, he was engaged to the only grandchild of a wealthy family, Yoo Jung Sun (Chae Jung Ahn), but with no memory of her, he begins to fall for Lee Ji Yoon (Park Min Young), an idealistic intern at his law firm. As he regains his memories, will his heart choose new love or old greed?
A 30-year-old woman suddenly has a new father who is three years younger than her. With time, she accepts him as a family; he always takes her side and loves her unconditionally. What would happen to them?
Im Chi-Woo never wanted to become a good daughter, a good daughter-in-law or a good wife, but she sacrifices herself to take care of her family. She is married to immature Park Wan-Seung and she works several part-time jobs to support her family. Under her difficult situation, she keeps smiling and maintaining her positive attitude.
Choi Jin-Yoo is a divorcee and he has a daughter. He works hard and tries live positively for his daughter. He encounters a nightmare like scenario.
An ace doctor in a university hospital is wrongfully accused of a medical malpractice incident and gets ousted from the hospital. He then applies to work at a prison, where he plans to make personal connections with all the big shots in prison with the ultimate goal of getting revenge against the hospital that kicked him out.
After his father’s demise at the hand of Gaya Hotel Group, Han Yi Soo (Kim Nam Gil) has lived for one thing only: Vengeance. Ready to hatch a plan to bring down his nemesis once and for all, Yi Soo goes to extremes in not only changing his identity, but also his face. But there's a huge obstacle in Yi Soo's way: his inconvenient love for Jo Hae Woo (Son Ye Jin), the heiress to Gaya Hotel Group. Along with being enmeshed within an ill-fated love, Yi Soo's cover gets blown, which has him running for his life like his father once did. You either sink or you swim, but what if the water is full of sharks?
A man is tormented by the death of his girlfriend in an accident that occurred before his eyes, he decides to secretly help her sister fulfill her dream of becoming a songwriter.
Ji-Sook goes through a difficult period, due to her father's private loan. She begins living as Eun-Ha. Eun-Ha is from a wealthy family and looks like Ji-Sook. When Min-Woo was only seven years old, he became the successor of a large corporation which his family ran. Due to his position, he cannot reveal his feelings. Through his family, he meets Eun-Ha. He notices she is different from other wealthy woman that he has met. Min-Woo has feelings for her.
When she's not making ends meet, Choi Choon Hee hones her skills in trot music, an old-fashioned, but heartfelt genre. Her luck turns when she pairs up with Jang Joon Hyun, an arrogant songwriter who excels in pop hits, as well as Jo Geun Woo, a shrewd talent CEO. Choon Hee's star burns hot, but between work and love, can she overcome the haters and trot her way into success?
Iron Family depicts warm love and fierce conflict between family members and provides an opportunity to reflect on the meaning of 'family' in modern society.