Terminator: Genesis

Terminator Genisys is a 2015 American science fiction action film, directed by Alan Taylor and written by Laeta Kalogridis and Patrick Lussier. The fifth installment in the Terminator franchise, the film stars Arnold Schwarzenegger, reprising his role as the eponymous character, along with Jason Clarke, Emilia Clarke, and Jai Courtney. The films plot follows soldier Kyle Reese Courtney in the war against Skynet, an artificial general intelligence seeking to destroy the human race. In a sequence of events similar to 1984s The Terminator, John Connor Jason Clarke, leader of the Human Resistance, sends Reese back in time from 2029 to 1984 to protect Connors mother, Sarah Connor Emilia Clarke, who is being targeted by Skynet. However, once Reese arrives in the past he discovers the timeline has been altered, and Sarah has been raised by a reprogrammed Terminator, known as the Guardian Schwarzenegger, since her childhood.

In 2029, Human Resistance leader John Connor Jason Clarke launches a final offensive against Skynet, an artificial general intelligence system seeking to eliminate the human race. Before the Resistance wins the offensive, Skynet activates a time machine and sends back a T800 Terminator to 1984 to kill Johns mother, Sarah Connor Emilia Clarke. Johns righthand man, Kyle Reese Jai Courtney, volunteers to travel back in time to protect her. As Kyle floats in the machines magnetic field, he witnesses John being attacked by another Resistance soldier Matt Smith. He then has visions from his childhood about events in 2017.Upon arrival in 1984, Skynets T800 is disabled by Sarah and the Guardian Arnold Schwarzenegger, a reprogrammed T800 sent to protect her when she was nine years old. Kyle arrives a short time later and is immediately attacked by a T1000 Lee Byunghun. Sarah and the Guardian join Kyle and destroy the T1000 using acid. Sarah and the Guardian reveal they have constructed a makeshift time machine similar to Skynets, and that Sarah plans to travel to 1997 the year Skynet becomes selfaware. Realizing the timeline has been altered, Kyle is convinced that the future has changed due to the warning he received in his childhood vision. He persuades Sarah to travel to 2017 instead to stop Skynet. ........

Source: Wikipedia