Murder on the train? It doesn't matter, it's no longer our concern! Ladies and gentlemen, don't worry, we have four detectives who can handle this! After all, there's nothing complicated about murder investigations, right?

Murder on the train? It doesn't matter, it's no longer our concern! Ladies and gentlemen, don't worry, we have four detectives who can handle this! After all, there's nothing complicated about murder investigations, right?