WI stands for the Women's Institute in the UK which was founded in 1915 to revitalise rural communities and encourage women to become more involved in producing food during World War I.
In the play, Grace, played by Endeavour's Denise Mignon, is hosting an unofficial Women's Institute meeting to discuss the threat to the organisation by "the wrong sort of people" in the village.
"Unfortunately, it turns out that her husband isn't just out for the evening " he has gone for good," Endeavour president Christine Evans said.
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READ NOW"Then as the evening progresses, other secrets come out and no-one is quite what they seem.
"This is a drama with plenty of comedy to keep you entertained."
The production of The WI Blues, written by John Peel, marks Evans' return to the stage after a few years.
"I am really enjoying rehearsals and looking forward to our live performances," she said.
The play starts on May 15 and there will be five performances.
The WI Blues
Where: Hamersley Community Recreation Centre,
Belvedere Road, Hamersley
When: May 15-16, 22-23, 8pm,
Matinee May 17 2.30pm
Tickets: $20, $18 concession.
Bookings: 9341 7926.