the male protagonist is a kind and upright entrepreneur and rich second generation. the male protagonist is a neighbor with the female protagonist's family. the female protagonist has liked the male protagonist since she was a child, and the male protagonist has always taken good care of this girl next door. eee。 although the male protagonist's dating is the female protagonist's sister, the female protagonist still chose to like the male protagonist silently, and her mind has not changed. the heroine later went abroad to study. during this period, the heroine's father killed the hero's father in order to seize the company (the hero's father fell ill, and the heroine's father did not give him the medicine, so he directly made the hero's father die of illness). the male protagonist's mother knew that her husband died and died. the male protagonist saw the truth about his father's death from the surveillance video and asked the female protagonist's father to question him. the female protagonist's father directly wanted to kill someone to silence him. the male protagonist was rescued by a passing farm lady in a car accident and concealed the news of his survival from the outside world. the farm lady's husband died of a cerebral hemorrhage. her husband's elder brother wanted to seize her farm. in order to repay her, the male protagonist claimed that the two were husband and wife, so as to protect her farm. however, the farm lady also died of illness soon and entrusted her daughter to the male protagonist for the support and care. three years later, the heroine returned from studying abroad and went to look for the hero, but she heard that the hero's parents were both dead and the hero also disappeared in a car accident. but one day the heroine met the hero, but the hero did not recognize the heroine, but the heroine firmly believed that it was the hero. the heroine's sister was thrown into sulfuric acid by a bad person. before her death, she told the heroine that their father had robbed the company. the heroine felt guilty and secretly disguised herself as a farm worker's wife silently observed the hero's life in the hero's farm. the male protagonist wants to love the heroine but cannot love it, but he wants to abuse but cannot be cruel. later, the male protagonist had no choice but to tell the heroine the truth that the heroine's father killed her father and hired a murderer to hurt her. after the heroine knew the truth, she knew that there was too much separation between her and the hero, and she decided to go home. however, the heroine's father also found that the hero was still alive, so he sent a lawyer to kill the hero again. the hero was not prepared to be shot. the heroine passed by and found that the lawyer was prevented from saving the hero. the heroine's father was seriously injured and was hospitalized. the nurse who took care of the heroine's father happened to be the heroine's sister. the male protagonist who was hurt again began to turn evil. after learning that the heroine's father was admitted to the hospital, he deliberately approached the female nurse, coaxed the heroine's sister-in-law, and carefully planned to get the company's shares and retake the company. the heroine learned the truth about the hero using the female nurse. although she was sad, she still did not hate the hero. however, the hero's revenge for killing his father has not been avenged, and he will not let the heroine's father go. the heroine's father recovered and was discharged from the hospital under the care of a female nurse. he developed love for the female nurse who took care of herself and wanted to live with her. after the male protagonist found out, in order to take revenge on the heroine's father, he deliberately proposed to the female nurse and took the female nurse away in front of the heroine's father. the heroine's father was in poor health and was directly angry to death. after the heroine knew that her father was killed by the hero and the female nurse, she gave up on the hero and decided to take revenge on the hero! the heroine was causing trouble in the hero's company, and a big push reporter came to take a photo and reported that the hero was in trouble and the hero was angry and went to find the heroine. the male protagonist was jealous when he saw the heroine getting close to other men, so he forced his kiss on the heroine and told the truth about his use of the female nurse. but the female nurse just came outside the door and heard it, and she was heartbroken and began to turn black. the female nurse designs and the male protagonist come to a fake boat. the male protagonist felt guilty that he wanted to be responsible for the female nurse and took the female nurse to the farm. the heroine also followed the second male lead to his house. she decided to join forces with the second male lead to deal with the second male lead and take revenge on the hero. this pair of childhood sweethearts who were originally intimate in love began to be in the same state because of the hatred of the previous generation. later, they experienced the twists and turns of marriage, the heroine became pregnant and had a divorce, and the hatred of killing her father lies between the two. how can the love continue? please watch the tv series "sad love".