Mehmet grows up without parents. All the villagers take care of him and send him to school. Mehmet becomes a doctor. He returns to his village. The villagers surprise him by setting up a health center. Mehmet cannot tell the villagers that he will be working at a hospital in Istanbul. He and his childhood friend Sefer make plans to get themselves kicked out of the village.

Four siblings Deniz, Derya, Ali and Yaz, who think they've woken up to an ordinary school morning, learn that their parents are actually secret agents. Their parents have been kidnapped by evil forces. With the help of the supercomputer TA-OZ 4000, hidden in their home, the four siblings embark on an adventure to save both their parents and the future of the Earth. On this challenging journey, they will become a true sibling team.

Four siblings have successfully completed their parents' rigorous training and become true agents. The owner of a famous juice brand comes to them for help. The juice recipe has fallen into the hands of a villain who wants to make all the children unhappy with his secret concoction. This time, the entire family must work together for a challenging mission.

The agent family is this time dragged into an adventure full of leaps in time.