A phantom thief named Rusty Nail sends a letter to a mansion, saying they're going to steal their treasure. The Mikuni Detective Agency is called to protect the treasure, but are they up to this challenge?
We have been awaiting your arrival. 
Please come in.
Wir haben sie erwartet. 
Bitte treten sie ein.
Los estábamos esperando.
 Pasen por favor.
Les estábamos esperando. Pasen, por favor.
Nous vous attendions.
Estávamos à sua espera.
Por aqui, por favor.