Set in the 1960s, *Tempus* follows the quest of an academic in the final stages of a terminal illness who, along with a small team he assembled in Gaziantep, sets out to unravel the mystery of a cosmic gateway he has been pursuing since childhood.  

In the 1960s, 60-year-old academic Prof. Dr. Ömer Faruk Toprak, having entered the final stages of cancer, returns to Gaziantep years later to shed light on a mysterious event that has occupied his mind since childhood. The professor is the only person who knows the location of a cosmic portal believed to bend time, and he chooses to spend the final days of his life pursuing this secret. To reach his goal, he brings together a doctor, a former soldier, and his assistant Ayla to form a small team. Initially unaware of the full truth, the team gradually realizes that the secret they are pursuing is not confined to the past. A lost key, a hidden map, and mysterious clues stretching from the past to the present lead the team to the threshold of an enigmatic door behind which lies a power capable of altering the course of human history.