During a birthday celebration, a shocking revelation is made when someone accidentally refers to the birthday girl as their "daughter." This prompts a confession from Emily, who admits that she is the girl's biological mother. Emily explains that 15 years ago, she left the girl on her adoptive parents' doorstep, wrapped in a gray blanket. The birthday girl is stunned and confused by this revelation, recalling memories of the gray blanket but struggling to reconcile this new information with her current understanding of her family.