 When Omar Little steals an entire shipment of heroin from the Greek's men as it is being delivered to Stewart's people, Marlo Stanfield demands a meeting with Spiros "Vondas" Vondopoulos in order to allay his fears that Stewart was responsible.Once Stanfield is satisfied, he waits for the Major Crimes Unit's investigation into his activities to cease and then moves to establish a direct relationship with Vondas and the Greek.After getting in communication with Vondas through former soldier Sergei, Marlo eventually sells himself as Joe's replacement by convincing the Greek that he requires an insurance policy in the form of a replacement for Proposition Joe, in the event that anything should happen to him.