少年(nián )杜心五(👷)生性顽劣(liè ),后为徐矮师收为门(🌰)徒,结识了安玉(🔱)兰和(hé )(🤢)关(guān )雪,也认(rèn )识了宿敌龙(🛤)渊,大婚当日,杜赴京刺杀慈禧(⏬)。安自此留在杜(dù )家伺候婆母。刺杀失(shī )败后,龙(🎡)渊带官兵穷(qióng )追猛打(🥄),杜在(zài )(🏐)关雪的(🕌)帮(bāng )助(📞)下逃亡日(🗑)本。在(zài )日本(😻)杜(dù )加入同盟会(🕕),结识了一些(xiē )(💞)革(gé )命党人(rén )(📎),关雪和杜互(hù )(📯)生情愫。龙渊(yuān )(🔢)一路(lù )追(zhuī )到(dào )日本,和山本(běn )勾 结,要(yào )置杜为(🙌)死地。清政府(fǔ )瓦解后,杜(🎾)和(⏰)关(🈴)雪等人学成(👃)归国。杜内心(xīn )愧对安(ān ),却还(hái )(🤳)是放不下关雪。龙渊用计(🌮)让杜参加国术比(bǐ )(💹)赛,导致(zhì )杜受伤(💍),在(zài )关(guān )和安的照顾(gù )(🐛)下渐(jiàn )(⛏)渐恢复。