Hoping to learn how to co-parent as friends, Lena and Nikita join Flo and Raúl’s co-parenting group and attend their first group session. While Lena is thrilled to meet Milan, hot and single and seeking a co-parent, tension arises when Flo and Raúl confront their co-mother Juli with a sensitive question: Which of them is her baby’s biological father, and doesn’t he have a right to know?