Listen carefully to this video to understand the story.
The mother asks: “Where are you off to?”
It’s another way to ask: “Where are you going?”
“Where are you heading to?”
“In which direction are you going?”
To be off means to leave, to go, especially in a hurry.
Examples:
“I must be off.”
“Right, so where are you off to then?”
And what about the message of this story?