Inspiredbyactualcases,theseriesdepictshowtheconfluenceofpoliceworkandmathematicsprovidesunexpectedrevelationsandanswerstothemostperplexingcriminalquestions.
AdedicatedFBIagent,Doncouldn'tbemoredifferentfromhisyoungerbrother,Charlie,abrilliantmathematicianwho,sincehewaslittle,hasyearnedtoimpresshisbigbrother.Asaseasonedinvestigator,Dondealsinhardfactsandevidence,whereasCharlie,amathprofessorataCaliforniauniversity,functionsinaworldofmathematicalprobabilityandequations.
Now,despitetheirdisparateapproachestolife,DonandCharlieareabletocombinetheirareasofexpertiseandsolvesomekillercases.