Detective Club (2010)

Based on short stories by Keigo Higashino, this film follows a private investigation agency catering exclusively to high-profile clients in politics and business. The agency typically resolves cases efficiently and discreetly. It's run by a man in his mid-30s with striking features and a woman in her late 20s who serves as his assistant. She possesses an exceptional memory. The agency's clientele affectionately call them the Detective Club.