As the story unfolds, we are introduced to the dynamic and resourceful family, known as the Kardeş Takımı (which means "Sibling Team" in Turkish), who live seemingly ordinary lives as agents. The parents, Ayşe and Murat, work for a secret intelligence agency known as SİS (Secret Intelligence Service), while their children, Ali and Zeynep, are young and curious, often helping their parents with minor tasks to feel involved.
One day, Ayşe and Murat inform Ali and Zeynep that they have a mission that will require them to be away for two days. While assuring their children that everything will be fine, the parents believe that the kids will be safe at home. However, upon their arrival at the mission location, Ayşe and Murat find themselves unexpectedly trapped by a dangerous criminal mastermind seeking revenge against SİS.
Back at home, Ali and Zeynep grow increasingly worried as they don't receive any communication from their parents. Feeling restless and suspicious, they start investigating their parents' disappearance, aided by their natural intelligence and intuition. During their search, they stumble upon a hidden secret room within their house, where they find an advanced robot named Argo, which their parents had kept a secret from them.
Argo, equipped with numerous high-tech gadgets and vast knowledge, becomes their ally and guide in their journey to rescue their parents. The robot informs the kids about the criminal's motive, explaining that their parents had been responsible for imprisoning him years ago. With no time to waste, Ali and Zeynep, along with Argo, embark on an adventurous journey, aiming to overcome various obstacles and outsmart the criminal in order to save their parents.
Throughout their mission, their bond as a family strengthens, as they rely on each other's unique skills and problem-solving abilities. Ali, the older of the two siblings, showcases his quick thinking and leadership while Zeynep, being the younger but incredibly observant, discovers hidden clues that prove vital to progressing through their quest. Argo, the intelligent and loyal robot, assists them with his technical expertise and manages to hack into various systems to gain information on their parents' whereabouts.
As they navigate through dangerous situations and unravel secrets along the way, the Kardeş Takımı races against time to outsmart the criminal, who has his own network of agents working against them. The siblings display bravery and determination in the face of adversity, ultimately leading to a thrilling showdown with the criminal at his hideout.
With clever tactics and their family bond, Ali, Zeynep, and Argo manage to overpower the criminal, rescuing their parents just in the nick of time. The reunited Kardeş Takımı returns home, having saved the day and ensuring that their family remains intact. The movie concludes with the family realizing the importance of communication, trust, and relying on each other's strengths, cherishing the adventures they face together as a family of skilled agents.