Dallas S02E18 - The Red File (2)

Pam is sure that J.R is framing Cliff, and leaves Bobby and Southfork. Bobby holds J.R responsible, and promises to get to the bottom of things. Bobby goes to see Cliff, to see if he can help. Cliff is not happy to see any of the Ewings, and tells Bobby the only thing that can help is if the real killers are caught. Bobby is on the trail, and finds a key in Cliff's mail which was sent from Julie before her death. The key leads Bobby to a pawn shop where he find a briefcase containing important information.