Story of an inventor who, suffering betrayal in life, makes a career of it by becoming a clown whose act consists of getting slapped by all the other clowns. He falls in love with another circus performer, and those who betrayed him enter his life yet again.。沈建国为了给女儿凑大学学费,带着妻子张翠兰每天在工地高强度工作,而女儿沈青也不负众望,拿到了全国最顶尖学校的通知书。然而,在接到通知书的那一刻,张翠兰却因为积劳成疾而被送进了医院,张翠兰不愿自己成为女儿的拖累,于是主动选择拔了氧气管。。