Well, who would have thought that time travel is possible.. The head of the special detective team, Tatyana Sergeeva, by all means should find her disappeared colleague Liza Trifonova. She took up a completely deaf case, which many years ago came to a standstill by the mysterious abduction of a baby. Tatyana confidently followed in the footsteps of the missing, and suddenly... everything fell into the darkness of a deep coma. Sergeeva woke up in a mysterious hospital, surrounded by overly caring staff. Incredibly, Tatyana's memory was erased like an eraser! Through the open hospital window, she talks sweetly with her "mother-in-law Etty," completely forgetting that she died a long time ago. And Tanya is not at all embarrassed that the calendar at the clinic's reception is dated back to the last century...