Frequency (film)

Frequency is a 2000 American science fiction thriller film. It was coproduced and directed by Gregory Hoblit and written and coproduced by Toby Emmerich. The film stars Dennis Quaid and Jim Caviezel as father and son, Frank and John Sullivan respectively. It was filmed in Toronto and New York City. The film gained mostly favorable reviews following its release via DVD format on October 31, 2000.

Franks survival creates a new timeline where John is the only one with two sets of memories, one of the new and one of the original timeline. At midnight, he tries calling his mother. To his surprise, a deli answers instead. Later that day, John tries to patch up his relationship with Sam, only to discover she has no idea who he is. Johns mother Julia Sullivan Elizabeth Mitchell had now been murdered by a serial killer later in 1969. His mothers killer, called the Nightingale Killer, had originally murdered three nurses before he vanished. Some event in the new timeline made it so his victims now numbered ten, with Julia as the sixth. Using information from 1999 police files on the impending seven killings, John and Frank work together across the gap of time to stop the murderer in 1969 in order to save Julia and the remaining six nurses. Frank successfully averts the murder of the first expected victim, but when he tries to protect the next victim, a nurse named Sissy Clark, the killer attacks him in the nightclub bathroom and takes Franks drivers license. When he regains consciousness, Frank rushes to Sissy Clarks apartment. He desperately knocks loud on the door, causing her neighbor to become suspicious. When he breaks in, he walks through a desolate, creepy apartment. He searches, hoping to rescue the victim, but instead finds her corpse.While assuaging his father, John realizes Franks wallet now has the killers fingerprints. Following Johns instructions, Frank wraps and hides the wallet in the window bench, where it remains undisturbed until John retrieves it in 1999 and takes it to his crime lab. The lab identifies the fingerprints as belonging to a nowretired detective named Jack Shepard Shawn Doyle. His identity reveals he was the patient Julia saved at the hospital the night of the Buxton fire, with his survival allowing more women to be killed. In this new timeline he presumably stopped after being caught up in the Knapp hearings. Meanwhile, in 1969, Fra

Source: Wikipedia