The Silence Of A Speckled Hen

Former crooks and now a successful private detectives are a beautiful and smart Lola and her faithful friend, ingenious Leon, nicknamed the Marquis, is back in business.
Another customer was clearly not himself.
She claims that following her own DoppelgangeR, who tells her the dead voice and tries to kill. Leon shocked: there is clearly need a psychiatrist, not a detective.
However, once engaged, Leon realizes that his client is someone persistently and purposefully maddening. Malice is evident.
And then there's Lola, instead of helping in a hard case, trying to arrange his personal life. She goes on a date to the suitors, who are also very suspicious.
Yep, with them only troubles!