When a fed-up woman is fired by her sexist boss, she start an all-female gang to make a robbery at her boss? best client disguised as Islamic veiled women, only to find that Islamophobics and Islamist make the plan much harder.

I would drop the islamic stuff. IMO there is no producer who would accept this in a script nowadays: not pollitically correct.

"When fired by her?sexist boss,?a fed-up woman starts a female gang to make a robbery at his?best client, ..."

Calling a sexist man a chauvinist pig makes your story sound dated to me.