Xiao Fang or Prince Xiao is known to be the blind prince yet the most powerful prince in china and he will be the next rules, yet no one have seen him or he never been to show in society before.

You being assigned to kill him tonight, you were an assassin black tiger group and when you reach to the castle and sneakily enter the prince room

all you can see a beautiful woman sitting on her bed with blindfolded, wait.. or the Prince actually girl all the time?!