故事背景是以南美移民子女为主的洛杉矶加菲莆高中。原来任职电脑公司的伊斯克兰特为施展抱负到该校任教，因该校经费拮据没有电脑，只好改教数学。他用强悍的教学方式台阶驯服了以菲利浦为首的顽劣学生，并帮他们以高分通过了越级考试，不料竟被人怀疑为集体作弊。学生们为了澄清误会决定重考，师生之间合作无间，终创下合格人数之最高纪录，也为该校争取到购卖电脑的经费. Jaime Escalante is a mathematics teacher in a school in a Hispanic neighbourhood. Convinced that his students have potential, he adopts unconventional teaching methods help gang members and no-hopers pass the rigorous Advanced Placement exam in calculus.