"不认识自己的弱点才是最大的弱点。"——爱德华·艾尔利克，《钢之炼金术师》DifferentDrummersisbasedonatruestoryabouttwounusualboysinSpokane,Washingtoninthemid1960s.Inthismoreinnocenttime,whenbodybuilderJackLalanneruledtheairwaves,thetwoheroes,acoupleofelementaryschoolstudents,makeaboldattempttotriumphovermortalitythroughfriendship.ElevenyearoldDavidisslowingdownandisnowwheelchair-boundbymusculardystrophy,whileLylecan'tstopspeedingup.Backthen,hewasreferredtoashavingaconditioncalledMDB(MinimalBrainDysfunction)buttodayhewouldbediagnosedwithAttentionDeficitDisorder.LylewantsmorethananythingtogetDavidoutofhiswheelchairandrunningagain,andheconcoctsawildschemeinvolvingascienceproject,somefiremen,drummers,theschoolprincipal,acopandahand-walkacrosstheschoolgymnasium,amongotherthings.ItworkslikethisInspiredbyhisTVidol,Lalanne,andhismessageofintestinalfortitudeandwillpower,LylemanagestoconvinceDavidthat...