Where Do They Start? In 1999, where John Sullivan (Jim Caviezel) makes an unusual contact on his radio.Where Do They End Up? John stays in the 90s, but his words travel back to 1969, where he can communicate with his late father Frank (Dennis Quaid).Biggest Culture Clash. Frank can leave evidence that John can find and have forensically examined 30 years later.Unresolved Paradox. John gives Frank knowledge that changes his timeline, but remembers everything that has happened.