Mira has already become part of the Heimdal detective agency, where she holds the position of analyst. After a temporary lull, they got a new client: businessman Vadim turned to them for help. He asked to save his friend Nikolai and his son Vitya in some way. Their family recently experienced grief - their mother died. And now, a month later, she allegedly turns to her son and husband through social networks and calls them to follow her, that is, she pushes them to commit suicide...