Der Zirkel (2019)

Businessman Anton Stollenberg, junk shop owner Tom Harting and office clerk Helena Dupré seem to have nothing in common. This changes as soon as Anton returns to his hometown Karlsruhe after several years. Owning an artifact he knows nothing about, Anton wants to see his former best friend Tom as he is a specialist in antique art. Without even knowing it, Anton reveals a century-old secret which puts not only him but also Tom and Helena in great danger.