According to the story of the map your brother Ryan failed to rob the bank and have been caught by cops. You created a plan how to both - rob the bank and free your brother.
How to install maps:
- Get the latest version of ES File Explorer
- Download .mcworld file below
- Using ES File Explorer go to Downloads folder on your device
- Find .mcworld file and tap to import it into Minecraft PE
- Open Minecraft Pocket Edition and look for the map among your worlds