The past is relentlessly chasing him. His thoughts are clouded. The unsolved murder of his childhood friend haunts him once again. Irene, a psychologist and his friend, believes that their sessions have helped him. But is it true? A brutal murder, leaving behind a clue in the form of a number, forces Toufas to put aside his personal issues and take on the case with the help of police officer Georgiou. The crimes will follow one after another, and the numbers will always be there. The killer is one step ahead. Toufas tries to reach the guilty one, while Athens is engulfed in terror. The past continues to haunt him as he tries to focus on the case. But is the confrontation with his past ultimately inevitable? Revenge may seem sweet, but can it bring redemption? Toufas must fight his demons in order to hope for a better future. But the killer has not had the last word...