Apocalyptic Time Jump: Girl Chasing Brother

One day, she stumbled upon a time machine in her grandmother's attic and decided to take a chance and travel to the future. When she arrived, she found herself in a post-apocalyptic world where everything was dark and desolate. Margo learned that her brother Rick had been kidnapped by a dark spirit named John, who ruled over the ruined world with an iron fist. With the help of new friends she met along the way.