 Stringer stresses the need to keep Avon from knowing about Stringer's role in D'Angelo's murder.Looking to solve the Barksdales’ struggling drug trade, Stringer decides to go behind Avon's back and secretly agrees to share Barksdale territory with Proposition Joe in exchange for Joe's higher-quality heroin, an idea Avon vehemently opposed.When Avon hires the legendary New York enforcer Brother Mouzone to chase rival drug dealers out of the Barksdale towers, Stringer maneuvers carefully to preserve his alliance with Joe behind Avon's back.