Prologue

Beacon has fallen, Grimm surround it. Team RWBY separated. Ruby now leaves her home with the remnants of team JNPR to travel to Mistral. Ghost leaves the group to return to Beacon to find his guardian.

(Of course Destiny is owned by Bungie and RWBY is owned by Rooster Teeth)
(I recommend you read the story before this one called 'Darkness Looms')