It is rude to sneak around someone else's property.
Lucy has just moved into a new neighborhood.
Lucy wants to get to know her next door neighbor.
Lucy rings the neighbor's doorbell and introduces herself.
Lucy tries to sneak around the neighbor's house and peek into their windows to see what they're like.
Lucy starts developing a friendly relationship with the neighbor.
Lucy gets caught and her neighbor wants nothing to do with her because she violated their boundaries.