Classified Death — Claire Taschdjian

Her first husband had a lot of money -- he was also a bedridden diabetic. So she nursed him all by herself. She bathed him and cooked his favorite food. She even gave him his injections, just as the doctor had shown her. And in spite of all her loving care -- he suddenly died!
His first wife had a lot of money -- she also had a heart condition. So he nursed her all by himself. He cleaned the house and did the shopping. He even gave her the medicine, just as the doctor had prescribed. And in spite of all his loving care -- she suddenly died!

Then the bereaved widow and the grieving widower met.

And got married...