Arnold is a popular online erotic fiction writer famous for his ‘Sex with senior student’s girlfriend’ and ‘Friend’s older sister series’. However, he is writer Dong-myeong (Choi Jae-hwan) in reality, who dreams of winning the New Spring Literary Contest and works as tutor at a preparatory school to make a living. One day, his first love So-yeon (Wang Bit-na) appears in front of him. She claims the copyright of his novel, ‘Sex with senior student’s girlfriend’ and asks him to share the profit he has made from the novel so far.
An extremely wealthy elderly man dying from cancer undergoes a radical medical procedure that transfers his consciousness to the body of a healthy young man but everything may not be as good as it seems when he starts to uncover the mystery of the body's origins and the secret organization that will kill to keep its secrets.
The year is 2029. John Connor, leader of the resistance continues the war against the machines. At the Los Angeles offensive, John's fears of the unknown future begin to emerge when TECOM spies reveal a new plot by SkyNet that will attack him from both fronts; past and future, and will ultimately change warfare forever.