Thursday follows Wini, a withdrawn insurance office worker. At work, she witnesses her manager’s casual cruelty toward a coworker, Livy.
When Livy unexpectedly shows up at Wini’s home and convinces her to skip work for the day, the two end up at a protest at a coastal lighthouse threatened with demolition
As the day unfolds, Livy reveals growing resentment toward systems of authority, capitalism, and the moral distance required by their jobs.
At the protest, tensions escalate when police intervene violently, leading to Wini commiting an impulsive act.
The aftermath leaves Wini alone with guilt. She returns to work the next morning to find Livy gone and the cycle of quiet violence ready to repeat.