ДНК S05E152 - Выпуск 711. Сделано в курятнике?

A mother with many children intends to prove to a married lover that she gave birth to a son from him 14 years ago. But he does not consider himself a father and is sure that there are much more applicants for this role. A man's friend perfectly remembers his night of love with their mutual acquaintance. So which of the friends 14 years ago became the father of a son from a common mistress?