Based on

TV Shows like Echos (2021)

The three rich bigwigs Nellie, Max and Janosch visit an illegal luxury underground party under Munich Central Station in search of the next kick. But the party escalates when a fire breaks out. After a mass panic, Max is considered to have disappeared. Nellie and Janosch go in search of their boyfriend and come across a second society, the so-called invisible ones, who live underground.