Two siblings have been shifting responsibility for the son their ex-lover gave birth to to each other for two years. The brothers' mother is convinced that neither one nor the other could make her a grandmother. Will the two brothers be able to find out which of them became the boy's dad? Or should the biological father be looked for elsewhere?

A woman died giving birth to her sixth child. Her distraught husband immediately refused the baby. 57 years have passed, and the children of the deceased mother still want to know the fate of their younger brother or sister. In the DNA studio, they will see for the first time in their lives who their mother could give life to before her death. Will the family find a missing child after a fatal birth?