“It turns out that eleven years ago you sent a completely innocent man to jail...” To say that such news is not pleasant is to say nothing. Former Miami police homicide investigator Sean O'Brien, who decided to settle in a quiet place after the death of his wife, will never be able to find peace of mind unless he restores justice and saves a death row inmate. There is almost no time - less than four days remain before his execution. However, the only witness to those ancient events becomes the victim of an unknown killer. The priest who accepted the confession of this witness also dies. Before his death, the holy father was able to leave signs that could lead to the right trail. All that remains is to decipher them...