It's bad to hate your mom.
After years of abandonment Mary's mother reaches out to her when she finds out she'll soon be a grandmother.
Mary wants to respond to her mothers attempt at reconciliation.
Mary decides to give her mother a chance and agrees to meet with her.
Mary decides to hold on to her anger and rejects her mother.
Mary is able to rebuild a relationship with her mother.
Mary later regrets that her child is missing out on knowing her grandmother.