Milk (original title: Mleko) is a 2017 Polish short film directed by Urszula Morga.
The story follows Ewa, a single mother who takes her daughter Julka to their lake house to prepare for her 18th birthday party. But Julka brings her boyfriend along—sparking tension, disapproval, and a deeper emotional conflict within Ewa herself.

Ewa takes her daughter to their lake house to prepare for her 18th birthday party. Unbeknownst to her mother, Julka brings along her boyfriend. The mother openly disapproves his presence and wants to get rid of him. However, the more she tries, the more obvious it becomes that the hardest battle she will have to fight is the battle with herself.