I have never heard of A Song of Ice and Fire, is it a book, movie song haha?
It's a collection of epic fantasy novelsAmerican novelist and screenwriter George R. R. Martin. FYI the books are much better then the TV show.
Oh that sounds so interesting, what is it about 
It has three stories that interweave a dynastic war among several families for control of Westeros, the rising threat of the supernatural.