Biological Parents Lost It When The Surrogate Refused To Handover The Newborns To Them For A Weird Reason

A Condition

A few days before this meeting was scheduled, a representative from COTS visited Margaret’s place and gave her the option to chose from three couples to whom she would want to be a surrogate. While she chose this couple due to their sad tale, days after the meeting Margaret also puts forward a condition for the couple. What was she up to?