She worries about where and when her mother really obtained the card .
The next day , Kate takes her children on a frivolous shopping expedition and uses a credit card , which is said to be lent to Kate which causes Lily to become very suspicious .
Kate worries about where and when Kate 's mother really obtained the card .
The next day , Kate takes her children on a frivolous shopping expedition and uses a credit card , which is said to be lent to Kate which causes Lily to become very suspicious .