Sebastian died last summer. His mother clings to him in death as she clung to him in life. In the sultry heat of New Orleans she plans her act of revenge on the girl she believes stole Sebastian from her.

Victoria Hamiliton, most recently seen in Sweet Panic at The Duke Of York’s, has also appeared in both the West End and on Broadway in A Day In The Death Of Joe Egg. Diana Rigg’s most recent stage work includes Humble Boy and Mother Courage And her children (National Theatre).

Michael Grandage, who directs the piece, is Associate Director of Sheffield Theatres and recently took over from Sam Mendes as the artistic director of the Donmar Warehouse.