Carolina and Leo, who have met through a chat room, agree to meet in person in a secluded city park.

Lucía, a club dancer on the run, takes refuge in a sinister building on the outskirts of Madrid where her sister Rocío lives with her daughter Alba.

Through an intimate and artistic lens, yet investigative and political, Milk brings a universal focus on the politics, commercialization and controversies surrounding birth and infant feeding over the canvas of…