Since it's a survivor's story, the woman could be someone who had been through a great deal. Maybe she was a victim of war or some form of persecution. Without more information, it's hard to say exactly who she was, but she must have had a remarkable strength to survive the events associated with the five chimneys.
It's likely about a woman's survival experience related to five chimneys. Maybe it was a place with five chimneys where she faced hardships and managed to survive.
She might have experienced being lured by false promises at the very beginning. For example, being promised a good job or a better life. Then, she was likely trapped in a situation where she had no freedom to escape. She may have endured physical and mental abuse from the traffickers.