左撇子女孩

　　暑假，十二岁的双胞胎凯文凯武央求母亲给他们买新自行车。他们骑着新自行车带着同村小孩兴奋地在路上飞驰，结果遇上了邻村的康康，后者嘲笑他们虽买了新车，却连放双手骑都不会，丢人现眼。双胞胎受了刺激，为战胜康康，开始勤学苦练，但好静的凯文渐渐力不从心，放弃了练习。凯武刻苦训练并最终取得了胜利。这份对凯武独有的称赞让凯文难堪，他暗下决心也要学会放手骑车，但始终没有学会……

　　一次警方行动导致他与爱人分离，多年后，这个愤怒的年轻男子大开杀戒，而一名跟他一样满腹仇恨的警察对他穷追不舍。

　　Bill Saunders, disturbed ex-soldier, kills a man in a postwar London pub brawl. Fleeing, he hides out in the apartment of lonely nurse Jane Wharton. Later, despite misgivings about his violent nature, Jane becomes involved with Bill, who resolves to reform. She gets him a job driving a medical supplies truck. But racketeer Harry Carter, who witnessed the killing, wants to use Bill's talents for crime.