CAN YOU SOLVE THIS PUZZLE? (BY @Angin-Sepoi)

So now I'm making a puzzle for you guys. 

White to move !

Can you find checkmate in 7 move?. If you need help, you can click this link : https://www.youtube.com/watch?v=x_FBPVj2z5c

If you can find checkmate without help, you are a master at chess.

I will be making part 2 and the next part, so stay tuned for @Angin-Sepoi blog.