Negotiations hosted aboard the Enterprise-D for rights to a wormhole near Barzan II, believed to be the first stable one known, which proved to be fixed at only one end.
In The Next Generation episode The Price, the impoverished Barzan offer the use of their wormhole to the highest bidder. Premier Bhavani receives delegations from the Federation, the Caldonians and the Chrysalians, the last represented by the hired negotiator Devinoni Ral. A Ferengi party led by DaiMon Goss invites itself and removes the Federation's envoy, Mendoza, with a mild poison, leaving Riker to take his place.
Ral begins an affair with Deanna Troi and confides that he is part Betazoid, using his empathic sense secretly to read his rivals. He manoeuvres the Caldonians out and stages a Ferengi threat to win the contract for his clients.
Meanwhile Data and La Forge take a shuttle through the wormhole, followed by two Ferengi. The far end, in the Delta Quadrant, shifts position. The Starfleet shuttle gets back; the Ferengi, Arridor and Kol, are stranded. Troi exposes Ral's methods.