She doesn’t fit in.
But she could be many persons. She played a game: assume a new identity, visit someone’s home, and take something from them.
Her little cupboard of memories were filling up, her little world was becoming whole, beautiful and pretty.
All this went on until she realised that she didn’t have to take anymore.
A complete stranger’s kindness had burst her bubble.
And the little things mattered no more.
More on the director here.