According to Variety, the pic focuses on the 1968 walkout at the Ford Dagenham car plant. The protest saw 850 female workers protest against sexual discrimination on the job and help boost England's women's rights movement.
The title, the trade paper notes, refers to a typo on a sign that was supposed to read "We Want Sex Equality." They left out the last work and several people have been giggling about it ever since.
Simon Curtis ("Cranford") will direct from a script by Bill Ivory. Production is expected to begin by June.
Although Hawkins was snubbed for an Oscar nomination for her acclaimed role in Mike Leigh's "Happy Go Lucky," the Globe and the Berlinale trophy certainly raised her profile. Hawkins will next be seen in the Sundance award winner "An Education."