One summer night, Kaito Kirishima witnesses a dazzling blue light flash across the sky while testing his camera on a bridge, only to face a sudden fall. As he teeters on the brink of unconsciousness, a mysterious hand saves him. Awakening the next day bewildered in his room, unharmed and with no memory of the prior evening, Kaito resumes his ordinary school routine. Alongside his friends, they ponder the camera's fate and opt to craft a movie during the impending summer break. Intrigued by Kaito's interest in the enigmatic upperclassman Ichika Takatsuki, his pal Tetsurou Ishigaki extends an invitation to Ichika and her companion Remon Yamano to participate in their cinematic venture. Throughout a summer filled with joy and thrills, Kaito and his companions realize that their film project holds deeper significance, leading them to face their emotions and relationships in a transformative journey.