In a small town, the lives of its inhabitants are marked by routine and silence. Among them is a young woman named Mary, who works as a cleaner in a grand mansion, where the opulent owners live in a bubble of glamour and superficiality. Mary is a dreamer and longs for a more exciting life, far from the monotony that surrounds her. One day, while cleaning, she discovers an old hidden diary belonging to a former theater actress, filled with stories of romance, adventures, and sacrifices.
As she reads the diary, Mary feels inspired and begins to reimagine her own life. However, the routine quickly returns, and disenchantment sets in when she learns that her boss is going to host a lavish party at the mansion, hoping to impress the guests with her style and status. Tired of being invisible, Mary decides to plan her own adventure: infiltrating the party in an elegant disguise and with a renewed personality.
As the night progresses, Mary finds herself caught between the superficial world she had desired and the true meaning of human connection. In an unexpected turn of events, she must decide whether she prefers to keep dreaming of a glamorous life or risk everything to inject authenticity and emotions into her existence. Set against the backdrop of a transforming society, the film explores the longing for something more and the search for true happiness.