Plurality of crime, along with crime unit, are part of institutions of criminal law requiring a correlative approach, in the tracing of certain criteria fixed and separators, so that criminal law be applied in strict consonance with the principle of legality and strict reporting the legislature’s intention materialized in the regulation. At the same time, a comparative examination of institutions resolve various problems mentioned theoretical and practical nuances, providing solutions across the street from the consequences of establishing criminal liability of the perpetrator, depending on the actions of identifying a plurality of units or criminal.