ENTANGLED is a tale of irreversible tragedy. There is a house where a family of four live: mother, her eldest daughter Younghee who is married, younger daughter Kkotnip who is in high school and Younghee’s husband Sangho. The family is filled with happiness when Younghee gives birth to a child, but an unfortunate mishap caused by the mother leads to the death of the child. Totally distraught, Younghee decides to leave her mother’s house with her husband. Mother’s Alzheimer’s condition worsens with the couple moving out and Kkotnip is forced to live in anxiety. At school she is pushed around by schoolmate Junghye and at home she has to deal with her mother who has issues of controlling her emotions. With no one to help her, Kkotnip is driven to the edge.
Ha-eun, an ordinary housewife who has endured her husband's violence for 13 years, challenges her husband, who is a mixed martial arts champion, to a duel in the ring.
Julian has lived off the money he lures from his rich female customers. But now he faces usurious debts from a hasty expansion of his business, and he will be killed unless he clears the debt in one month. The only way to save himself is to pretend to be the long-lost brother of an heiress and kill her to get her huge fortune. Min, the blind heiress, cold-hearted like Julian, slowly opens herself to him, and he, too, falls for her. But Julian has to pay his creditor and what makes it worse for him is that the illness that took Min’s eyesight relapsed, threatening her life.
With a renowned plastic surgeon for a mother, Hyun-soo is always surrounded by girls in line for beauty consultations. But her happiness comes to an end as her friends who have received facial surgery from her mother start to commit mysterious suicides by cutting out their faces.
Ki-bong is a man who suffered brain damage as a child and who has the emotional maturity of an 8-year. The village people call him 'Barefoot Ki-Bong' because he runs barefoot with food he has begged and serves his mother before it gets cold. Running is Ki-Bong' greatest skill. It is his mother that Ki-bong loves the most. Ki-bong decides to take part in the National Amateur Half Marathon' in order to buy artificial teeth for his mother with the prize money, and works hard looking forward to the day of the race. Mr. BAEK, the head of the village, volunteers to be Ki-bong's trainer. The village people realize what family and love between family members mean to them when they see Ki-bong, who is considered a non-entity, working hard for the competition. The village gets changed by the efforts of Ki-bong and Mr. BAEK.
Five high school teens on their way to college. But gradually they go through the struggles of life and end up discovering who they are and what it is they truly want in life.