Stardate 50312.5: A small ship emerges from a temporal rift in Voyager's flight path. The pilot identifies himself as Capt. Braxton of the timeship Aeon from the 29th century. He is going to destroy Voyager because he blames the ship for a catastrophe in the 29th century that will destroy Earth's solar system. When Janeway activates countermeasures, the two ships get caught in the temporal rift. The Aeon crashes in the High Sierras on Earth in 1967. Voyager ends up in Earth's orbit in 1996. Janeway, Chakotay, Tuvok and Paris beam down to investigate. While Tuvok and Paris follow a SETI welcome transmission that was directed at Voyager and sent from the office of the astronomer Rain Robinson in Los Angeles, Janeway and Chakotay track a subspace emission to a homeless man that turns out to be Braxton. In 1967, a hippie named Henry Starling took possession of the timeship, leaving Braxton stranded on Earth. With the future technology he found in the ship, Starling founded the company Chronowerx and initiated the computer revolution of the late 20th century. Braxton suspects that Starling will attempt to launch the timeship and thereby cause the disaster in the 29th century. Rain Robinson is working for Starling, unbeknownst of his true intentions. After she has reported the occurrence of a warp signature that reveals Voyager's presence in orbit and thereby warns Starling, Starling sends his henchman Dunbar to kill her, but she escapes with Tuvok and Paris. Janeway and Chakotay break into Starling's office and find the timeship, but Braxton has already been waiting for them. Kim manages to beam out the two officers, but Starling downloads parts of Voyager's database, including the EMH. -- Starling equips the Doctor with a mobile emitter that allows his program to work in environments without holographic systems. In an attempt to apprehend Starling, Rain Robinson calls him and tells him to meet her at Metro Plaza. Here, Tuvok and Paris are already waiting for him, as well as Chakotay and Torres in a shuttle. When he notices that they are going to beam him away, Starling activates a transport inhibitor. He can be beamed up to Voyager and the Doctor escapes. The shuttle with Chakotay and Torres, however, gets damaged and crashes in Arizona where they are captured by right-wing extremists fighting the US government. Janeway sends Tuvok and the Doctor to free them. In Los Angeles, Dunbar activates a satellite and beams back Starling from Voyager. A truck with tachyon emissions leaves the Chronowerx building, and Paris suspects that they are moving the timeship. When Chakotay and Torres blow up the truck, there is no sign of the timeship though. Starling launches the timeship from his building, and history is about to repeat. With Voyager's weapons systems being offline, Janeway prepares a torpedo for manual launch and destroys Starling's ship before it can enter the temporal rift. Another rift opens, and Captain Braxton appears, who in his timeline has no knowledge of the chain of events. He says he has scanned a time anomaly that he is going to fix by taking Voyager back to the 24th century, and to the Delta Quadrant.

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