Russian girl Nika arrives in London, where several years ago her sister Jen disappeared without a trace. Placing on the page on the social network a message addressed to the missing sister, Nick receives an message from an unknown subscriber. This message gives her a hint, thanks to which the heroine undertakes her own investigation. And he starts it in the place where today and everybody is looking for and finding everything – on the Internet, in social networks. New clues lead the girl to a small town on the outskirts of London, where her sister lived and worked. It turns out that she was a girl soloist of a local rock band that became popular immediately after Jen disappeared. The stories of her sister’s best friends do not coincide in detail, the details of Jen’s life seem strange, and rock musicians are suspicious. Without parting with her favorite player, Nika gets involved in a game that can cost her life without knowing.