There is no actual Danish movie titled Forår for søde Brigitte
Given the unusual structure, I will assume you want a about a recent Danish movie involving a strong female lead (possibly named Brigitte), with elements of betrayal (“forræder” = traitor in Danish) and intense interrogation (“forhør”). The closest match in recent Danish cinema is: forar for sode brigitte danish movie updated
: It was created specifically for Don Jon to serve as a parody of a 1970s Danish adult film. There is no actual Danish movie titled Forår