Sarah has no sister

After moving to England, Lynn learns that she has an older half-sister from her father's first marriage, Sarah. Eager to meet her, Lynn bursts into her room the next morning. However, Sarah refuses to consider Lynn a sister.<br><br><br><br>Sarah tells Lynn to get out, but Lynn pleads with her to at least have breakfast together. A maid then ushers Lynn out of Sarah's room.

Example of:
Aloof Big Brother