VIDEO : Leonardo DiCaprio Mines Mafia, Wall Street for Showtime Series

Leonardo DiCaprio is heading to the small screen for a big development project with Showtime. The movie star will exec produce an untitled 1980?s drama exploring the mafia. Variety has confirmed DiCaprio will be working with ?Ray Donovan? writer Brett Johnson. The potential series will be set in Brooklyn. It follows a decade-long relationship between an unstable mafia captain and a rogue federal agent, each violating the strict codes of their respective organizations. The drama examines the power the Wall Street era had on the mafia and the FBI.