From TNT: On the heels of Nicolas‘ arrival, John Ross goes to great lengths to keep his plans for Ewing Global moving forward, locking horns with Bobby in the process. Meanwhile, Sue Ellen‘s suspicions of John Ross‘ infidelity threaten to derail her alliance with her son. Harris Ryland‘s surprise return creates concern, and Emma enlists the help of her grandmother (guest star Judith Light). Bobby and Ann‘s investigation into Ryland‘s release from jail leads to a shocking revelation.