Retired factory worker Daisy Parker has been mistreated by her own sister for most of her life. Because of her lowly status, she is deliberately excluded from the guest list for her niece’s wedding. Unable to bear her mother being humiliated any longer, Daisy’s daughter, Natalie Bennett, secretly begins to make plans. She decides to strike back on the day of her cousin’s wedding — making sure that her snobbish relatives regret ever looking down on them.