It's bad to abandon a long-term friend.
Chelsea's mother has died, and Chelsea is calling Hillary, her friend since high school, who is watching a movie.
Hillary wants to finish watching her movie.
Hillary pauses the movie, takes the call, and comforts Chelsea, then afterward finishes watching the movie.
Hillary ignores the call and doesn't listen to the voice mail until after the movie is over.
Chelsea is grateful to Hillary for being there for her and is there for Hillary when she needs something.
Chelsea is upset that Hillary ignored her and doesn't want to be friends anymore.