My sister named her baby after my dead wife

When I found out my sister was pregnant, I was happy for her. Eight months later, when she named the thing “Mary,” I was ready to kill her. Mary was the name of my late wife. She went missing seven years ago. Emma, my sister, said she did it in her honor, like that somehow changed things. I hid my malice in the beginning, but my family could tell I wanted nothing to do with Emma or her child...