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Jack (Kiefer Sutherland) is forced to conduct a brutal interrogation of Paul (James Frain), with Audrey (Kim Raver) looking on. Paul pleads ignorance, explaining that he owns so much property and is involved with so many buildings that he can't keep it all straight. He eventually remembers that a man named "Harris Barnes" bought out the company that owned the building in question, and Jack soon learns that Barnes is the alias of one Habib Marwan (Arnold Vosloo). He heads to Marwan's office. Curtis (Roger R. Cross) has been captured, and is interrogated by a man named Forbes (Richard Marcus), who foolishly leaves his henchman to finish Curtis off. Marwan has taken control of the override himself, and is operating it from an office full of co-workers who have no idea what he's up to. When Jack finds out that Curtis, who took Marianne to the same building, isn't answering his phone, he knows to expect trouble. Tony interrogates Dina (Shohreh Aghdashloo), who eventually admits that all the terror cells reported to Marwan, but never had contact with each other. She also reveals that Marwan is controlling the override himself from the office building. While Driscoll (Alberta Watson) continues to deal with her unruly daughter, Maya (Angela Goethals), CTU teams converge on the office building to find Marwan and the override and stop the meltdowns.