Whats the title of this movie?

The king loves and prefers a soldier, who is honest and genuine, for the throne. One night, the kings son comes in and suffocates the king... this makes the son king. The son sends to have the hones and genuine man killed. Before this group of soldiers can kill this one soldier, he frees himself and kills all the soldiers on the spot. The new king sort of likes his sister... Later in the movie, the king's sister is tired of the king's acts and provides inside info to the soldier who escaped earlier to dethrone the current king. The king finds out his own sister has become sort of a spy and asks her to him the truth of whats going on, otherwise, he will kill her son. The kings starts his conversation with his sister: "a busy little bee was spying" or smth like that...