While the ever-evolving technological enemy grows stronger, 16-year-old John begins taking the steps necessary to embrace his destiny as the savior of mankind. John finds himself caught between his fearless protector, the beautiful but potentially dangerous cyborg, Cameron, and his new love interest, Riley Dawson, who represents freedom but also a potential risk to his safety. John's mother Sarah Connor is as determined as ever to keep her son alive, and his uncle, Derek Reese, continues to fight alongside the Connors.