Life is like a minefield, you don’t know where it will explode. Alena, a mother of two children and a criminal investigation officer, suddenly becomes accused of murdering her colleague. The evidence is so ironclad, although the heroine knows that all the facts are thoroughly falsified. It seems that there is practically no way out. But the opera does not leave its own in the lurch: for every argument of the prosecution, a powerful and unshakable counter-argument of the defense is prepared. And the most reliable protection can be unexpected love. The story can be a good guide for anyone who is interested in operational search activities and detectives, the practical work of operatives, their mental suffering, daily communication with each other within the operational community, morals, customs, traditions.