You shouldn't be upset at your deceased family member's partner.
Juliet's father passed recently, and she is at her step mother's house visiting.
Juliet wants to ask about some heirlooms of her father's.
Juliet inquires about the heirlooms of her father's and asks if her step mother still has them.
Juliet asks her step mother about the heirlooms while implying that she has kept them away from Juliet on purpose.
Juliet's step mother is touched that Juliet would want to know about the heirlooms that also mean a lot to her.
Juliet's step mother does not like the insinuation Juliet is making.