Act 1

The original
"two hours ago a young woman died in the infirmany .... she'd swallowed a LOT of strong disinfectant.Burnt her inside out .......
Arthur Birling , a prosperous manufacter,is holding a family dinner party to celebrate his daughter's engagement.Into this cosy scene intrudes the harsh figure of a police inspector investigating the suicide of a young working-class woman.Under interrogation , every member of the family turns out to have links with her death.

My ending
"They found things about each other that they would class as a personal secret and someone gets married at the end."

Hint hint :
It's not shelia