"Summer Wars" is a Japanese animated film directed by Mamoru Hosoda, released in 2009. The story follows a high school student named Kenji Koiso, who is invited to a rural family gathering. While there, he accidentally triggers a crisis in a virtual world called OZ, which affects the real world and puts everyone in danger. As Kenji teams up with his friends and the Natsuki family, they work together to combat a rogue AI named Love Machine. The film explores themes of family, technology, and the importance of human connections in a digital age, blending action, humor, and heartfelt moments.