Miss Ellie gets suspicious about Lucy being away from home so often. Clayton finds Jock's portrait gone from Southfork. Bobby and Jenna fear that Marchetta will tell Charlie he's her father. Pam has a new hope of finding Mark after a piece of the plane is found. J.R. and Wendell discuss doing business together. Cliff is upset to learn that Sly is on a leave of absence. Bobby confronts Marchetta. Charlie learns about Marchetta and disappears. Marchetta denies having taken Charlie. J.R. introduces himself to Mandy Winger. Cliff asks Mandy to meet with J.R. for him. Eddie and Lucy have a fight after he tells her that he knows she's a Ewing. Lucy tells Clayton he's not her grandfather. Ray finds Charlie. Pamela is convinced that Mark Graison survived the crash.