Before commenting this impossible, I have tested this and say it is 100% possible to finish.
Basically you are captured and try to escape.
Enjoy the map! I hope you like it!

Additional Notes

Made completely by Herobrinette (Minecraft User: xXHerobrinetteXx)
This has been tested 100% possible to complete.
I am the owner of this and this is claimed as my creation.
Please follow the rules and don't tinker with my command blocks!
This was made on singleplayer without any help of mods except for Too Many Items. I did NOT use World Edit or any other building mod. Give me credit for the map if you make a video of this map.