I have heard from many persons,that they don´t know this drama ;)
Even though it´s one of my best japanese historical dramas that I know :D
When someone knows this drama or he want´s to know it than please feel free to write something;)
(sorry when it is in the wrong section)
Sorry but I didn´t find any better trailer :(
The Plot:

The Drama goes around the Princess Gou who has many hardships to overcome before she can finally live happyily with her last husband,the Shogun. Even though Gou is the main lead,her both sisters are playing an important role in the drama ,too ;)
I can´t wait for the last episode ...!!! Wow its almost over;( Somehow I am a little sad that I won´t need to wait exited for the next episode ^^