Irina Novikova, the owner of a private nursing home for the elderly, finds herself on the brink of disaster: on the eve of their wedding, her fiancé disappears without a trace, leaving behind nothing but debts. Soon, fate deals her another blow—the project’s sponsors, the Antonov brothers, declare the business unprofitable and shut down the nursing home. In a desperate attempt to regain what she has lost, Irina takes a job as a caregiver for the head of the Antonov family—an obstinate and frail old man. His unexpected marriage proposal is followed by his sudden death just one day after the wedding. Irina is accused of murder. Released from pretrial detention thanks to the help of Maxim, Antonov’s eldest son, she joins forces with him to conduct their own investigation. As the pair unravels a web of dark family secrets, deep feelings begin to grow between them. However, it soon becomes clear that everything taking place is merely part of an ingeniously planned game. All that remains is to find out who is behind this intrigue and what their motives are.