Eccentric scientist Rintarou Okabe, driven by a passion for scientific discovery, forms the Future Gadget Laboratory with his friends Mayuri Shiina and Itaru Hashida. Despite their lofty ambitions, their most remarkable creation is a microwave that inexplicably turns bananas into green goo. However, during a time travel conference, Okabe experiences strange events that reveal the microwave's true potential: it can send text messages to the past. As Okabe experiments with the "Phone Microwave," he attracts the attention of the secretive organization SERN. Now, with his friends' lives at stake, Okabe battles to correct the timeline while grappling with his crumbling sanity.