Please answer the following question: Build a movie plot around this: What is the name of Mosley's sister? Diane's (Jenna Stern)
A:
Jack Mosley (Bruce Willis) is an alcoholic, burned-out N.Y.P.D. detective. Despite a late shift the night before, his lieutenant orders him to escort a witness, Eddie Bunker (Mos Def), from local custody to the courthouse 16 blocks away to testify on a police corruption case before a grand jury at 10 a.m. Bunker tries to be friendly with Mosley, telling him of his aspirations to move to Seattle to become a cake baker with his sister whom he has never met, but Mosley is uninterested, and stops at a liquor store. They are suddenly ambushed by a gunman, and Mosley drags Bunker to a local bar to take shelter and call for backup. Mosley's former partner, Frank Nugent (David Morse), and several other officers arrive. Nugent and his men have ulterior motives, telling Mosley that Bunker is not worth defending as his testimony will likely out several officers, including Nugent, who are involved in the corruption scheme, and they try to frame Bunker for firing at an officer before they kill him. Mosley intervenes, rescuing Bunker and fleeing.Mosley briefly stops at his sister Diane's (Jenna Stern) apartment to retrieve guns and ammo, and learns the police have already approached her about his activities today. He and Bunker take steps to further elude the police, and Mosley is wounded in the process. They become cornered in a run-down apartment building as Nugent and his men search floor by floor. Mosley calls the district attorney to arrange for help, but purposely gives the wrong apartment number, suspecting there is a mole involved. Mosley and Bunker are able to escape onto a passenger bus, and as the police follow them, Mosley is forced to treat the passengers as hostages. The bus crashes into a construction site and is soon surrounded by the ESU. Aware that Nugent will likely order the ESU to raid the bus, risking the safety of the passengers, Mosley allows the passengers to go free, using their cover to allow Bunker to sneak off the bus in the confusion. Mosley finds a tape recorder in the discarded possessions...