At the grand birthday banquet for Miss Grant, Mabel, an illegitimate and unwanted member of the Grant family, is rudely dismissed and insulted for her shabby appearance. Despite sharing the same birthday, Mabel’s step-sister Helena is favored and celebrated, causing Mabel to feel hurt and neglected. Helena’s mother tries to calm her daughter's anger, urging her to focus on impressing rich suitors. Helena then cruelly humiliates Mabel by forcing unwanted attention on her. The episode ends with Mabel cornered and isolated, hinting at escalating family cruelty ahead.