A policeman stripped and raped a woman in the back of a squad car before sharing a "pinky promise" with her for the acts to remain secret, a court has heard.
Trent Christopher Birthisel allegedly assaulted the 20-year-old numerous times after she asked to be taken home following a night out clubbing in Mackay in February 2014.
His Mackay District Court trial on Monday heard the woman was forced to perform oral sex before the car was taken under a bridge.
There, the officer, now 31, pulled the woman's jumpsuit and underwear down and allegedly raped her as she lay naked in the back seat.
His partner, Rudy Clarence Nonis, was smoking cigarettes a short distance away, the court heard.
Crown prosecutor Belinda Merrin told the court the woman was further assaulted as the officers drove her to a house where she'd been staying.
"The defendant said words to the effect of: 'This is our little secret'," Ms Merrin said during opening submissions on Monday.
"(The alleged victim) said 'yes' and they did ... a pinky promise."
Ms Merrin said the woman hid in bushes until she heard the men drive away.
She then ran to another house and started crying.
The court heard the woman slept at a friend's house until the afternoon before going to the hospital.
She was told by a nurse police had to be involved if a "rape kit" was to be conducted, the court heard.
The prosecution alleges the woman, who cannot be named for legal reasons, didn't physically or verbally protest to the acts because she was shocked and scared.
The court heard she froze when Birthisel put his hand on her upper thigh shortly after she first entered the car.
She then said "I wonder what it's like to be handcuffed", as a joke, Ms Merrin said.
The court heard the woman had been drinking and spent a "considerable" amount of money before coming across the officers on foot duty around 3.45am.
Mr Nonis is expected to give evidence that Birthisel told his alleged victim that they should "do this again sometime".
"Just don't do me for DD (drink driving)," the Crown alleges she replied.
Birthisel faces five counts of rape.
The trial continues.
