cha soon-bong (played by yoo dong-ge)'s wife passed away very early, leaving behind three children, cha kang-sin (played by kim hyun-joo), cha jiang-jae (played by yoon bo) and cha da-feng (played by park hyun-sik ccc。 after countless hard years, che shunfeng finally raised his three children. however, as time went by, che shunfeng found that the relationship between him and his children became increasingly indifferent. che kangxin is a strong woman in the workplace. although her career is booming, she is unavoidable in suffering from rumors from others. cha jiangzai's upcoming happy life was completely disrupted by an "illegitimate child" he had no idea. che dafeng is mediocre, but he is proud of his love. when che shunfeng learned that he had a terminal illness, he decided to use "unfilial lawsuit" to teach his children the last lesson.