Karoline, a young factory worker, is struggling to survive in post-WW1 Copenhagen. When she finds herself unemployed, abandoned and pregnant, she meets Dagmar, a charismatic woman running an underground adoption agency, helping mothers to find foster homes for their unwanted children. With nowhere else to turn, Karoline takes on the role of a wet-nurse. A strong connection is formed between the two women, but Karoline’s world shatters when she stumbles upon the shocking truth behind her work.