The backyard dumper turns out to be a security firm employee and a museum thief. Not only that, his accomplice might be in mortal danger.
The Back Yard Knows 

Part 4
الباحة الخلفية تعلم 

الحلقة 4
„Der Hinterhof weiß es.“

Teil 4
La cour le sait – 4e partie
Il cortile sul retro lo sa

Parte 4
O pátio sabe 

4ª parte