Chess Puzzle - Series 3009

White to move. How should white proceed ?

Source : chessdailynews.com

GM_Knockout said ;

1. Rg7+ Kd8
2. Qb6+!! Kc8
3. Qc7+! Nbxc7
4. Nb6+ Kd8
5. Rd7#

- White won 1-0