After conceiving a child with the help of a sperm donor, filmmaker Marina Belobrovaja explores the social ideas surrounding parenthood and family. Accompanying her on her journey, we discover the multitude of notions and aspects of fatherhood: biological father, genetic father, sperm donor, progenitor, recognised father without custody rights etc.. We also discover the unexpected emotional turmoil created by the birth of a child for the men involved. Here is a journey in the belly of a new society based on unconventional families.