少年(🕕)杜心五生性顽劣,后为徐(📒)矮(ǎi )师收(shōu )为门(🌰)徒,结识了安玉兰和(hé )关雪,也认(rèn )识了宿敌龙(🛤)渊,大婚当(dāng )日,杜赴京刺(cì )杀(shā )(🌫)慈(👋)禧。安自(zì )此(🌗)留在杜家伺(🚤)候婆母(🐿)。刺杀失败后(hòu ),龙渊带(🕯)官兵穷(💆)追猛打,杜(dù )在关雪的帮助下逃(táo )亡日本。在日(rì )(🙁)本杜加入同(🐶)盟会(huì ),结识(shí )了(🤷)一些(xiē )革命党人,关雪(xuě )和杜互生情愫。龙渊(🔢)一路追(zhuī )到(dào )(🌑)日本,和山本勾 结(jié ),要置(🐑)杜为(🙌)死地。清(qīng )(🙄)政府瓦解后,杜(🎾)和关(🈴)雪(🍄)等人(rén )学成归国。杜内(🕙)心愧对安,却(🏯)还是(shì )放(fàng )不下(xià )关雪。龙渊用(🕯)计(jì )(🌮)让(ràng )杜参加国(guó )术(shù )比(💹)赛,导致(🍑)杜(dù )受伤,在关和安的照顾下(xià )渐渐恢复(🥋)。