In Between features Salma, an openly lesbian woman, as a central character. The film portrays her with dignity and complexity, showcasing her agency as she navigates relationships and asserts her identity. It critically depicts the external pressures and prejudice she faces from her conservative family, who attempt to control her life due to her sexual orientation. The narrative ultimately affirms Salma's worth and right to self-determination, presenting a supportive and empathetic portrayal of queer identity.

The film strongly critiques traditional family structures, including arranged marriage, patriarchal parental authority, and restrictive gender roles, while celebrating the protagonists' independence, sexual freedom, and the formation of a chosen family.

The film portrays Salma, a Christian Palestinian, and her family. While her family's conservative cultural expectations create conflict for Salma's modern lifestyle, the narrative critiques these restrictive norms rather than the Christian faith itself, ultimately sympathizing with Salma's pursuit of dignity and autonomy.

The film depicts conservative, patriarchal interpretations of Islam, especially through Nur's family and fiancé, as fundamentally oppressive and harmful to women's freedom and well-being. The narrative strongly supports Nur's rebellion against these restrictions.