The story of New Jersey-based Italian-American mobster Tony Soprano and the difficulties he faces as he tries to balance the conflicting requirements of his home life and the criminal organization he heads. Those difficulties are often highlighted through his ongoing professional relationship with psychiatrist Jennifer Melfi. The show features Tony's family members and Mafia associates in prominent roles and story arcs, most notably his wife Carmela and his cousin and protégé Christopher Moltisanti.
The spectre of disloyalty among the crew hangs over Tony as Phil Leotardo decides how to handle recent issues with the Soprano crime family. A hit gone wrong comes at a huge cost. A.J.'s conquering of his depression is challenged.