SpoilerTV Image Archive | Gallery | Limitless | Season 1 | Promotional Episode Photos | Episode 1.18 - Bezgranichnyy | "Bezgranichnyy" -- When Brian\'s closest relationships implode due to his inability to cut ties with Eddie Morra, he goes rogue from the FBI to free himself from the senator\'s control. In Russia, he searches for Piper (Georgina Haig), Morra\'s former associate turned adversary, and her alternative NZT vaccine. Also, Rebecca comes closer to discovering Brian\'s connection to NZT and Senator Morra, on LIMITLESS, Tuesday, March 15 (10:00-11:00 PM, ET/PT) on the CBS Television Network. Pictured Ron Rifkin as Dennis Finch Photo: Best Possible Screen Grab/CBS ©2016 CBS Broadcasting, Inc. All Rights Reserved