Sep. 28: Dateline season premiere 'The Plot Thickens'

When a top Hollywood stunt man is gunned down, the investigation leads to a femme fatale once married to a movie star mobster. Dateline NBC's Josh Mankiewicz reports the season premiere The Plot Thickens on Friday, September 28th, at 10pm/9c.

This special season premiere episode of Dateline will also have a social twist -- Josh Mankiewicz will be chatting live on 'Chatline', Dateline's social website, from the home of one lucky Dateline fan.  Be sure to follow Josh Mankiewicz (@JoshMankiewicz) and  #MankAndMe for updates!