The kidnapping charges relate to the witness' wealthy businessman partner and a man who worked for him being forced from his Lakes retreat in the early hours of February 17 last year.
The witness told how she'd heard a lot of footsteps moving around outside before the home invasion and then nudged her bedroom door shut to conceal herself.
"I heard yelling, I thought I heard [the businessman] yelling 'stop, stop' multiple times, I could tell he was being attacked. I thought: 'Oh my God', I tried to find somewhere to hide, the wardrobe was too obvious."
She said she locked herself in the en suite but knew its lock was flimsy and she wasn't safe.
"I was shaking, extremely scared for my life . . .there was a lot of yelling and banging, it sounded as if someone had come in the front door, been jumped on."
As she'd attempted to crawl out the window, she'd seen someone outside and realised she'd been spotted.
"As I was climbing out there was banging on the en suite door, I was absolutely terrified, dropped everything, ran for my life."
She'd attempted to outfox anyone pursuing her by returning to the house, where she hid under pillows until some time after she heard several vehicles drive off.
"I thought: 'Oh my God, my boyfriend might by lying in a pool of blood' but there was no one there."
The trial continues.
