This is a story about an unusual detective agency. The main characters are Andrei, a masseur, the knowledgeable guy Mikhail, and his resourceful sister Marina, who have decided to bring to life a rather original business idea. The trio has created the Agency of Non-Standard Personal Situations, abbreviated as NLS. They promise their clients help in solving atypical situations. Exposing a spouse suspected of infidelity, catching fraudsters, finding a missing person - the main heroes will easily handle all of these tasks.