On an ordinary day in the human body of Frank, a man with an unhealthy lifestyle, an incredible adventure unfolds when a dangerous virus, known as the flu virus, threatens to wreak havoc. The story follows Jones, a white blood cell and an ambitious police officer, who finds himself on a perilous mission to protect Frank's body. Alongside him is his unusual partner, Drix, a cold medicine pill who, although a bit rigid, is the reinforcement that Jones needs.
As life inside the body unfolds, the mix of animation and live-action gives a unique touch to the narrative. Jones and Drix must set aside their differences and work together to track down the evil virus, which not only seeks to attack its host but also has a master plan to weaken the entire immune system. With time against them, they face a series of challenges and peculiarities of the microscopic world, from battles with germs to survival tricks in a chaotic environment.
However, the biggest lesson will come from Frank himself, who must learn to take better care of his body and understand the importance of a healthy lifestyle. With clever humor and a surprising reflection on health, this story becomes an exciting blend of action, comedy, and a touch of education.