Get ready for an awesome story!

That picture above is Jayline Barbosa Brandao. She lives in Brockton, Massachusetts, and she is WICKED SMAHT.

A powerful nor'easter smoked the area last week, and Jayline's family was left without power for several days. Her parents used a generator. But they didn't use it properly and ended up flooding the house with carbon monoxide:

The 9-year old's mother told Boston 25 News they thought the generator they were using was in a safe place & they had only used it for short periods of time.

"I thought it was just a headache, then 2-3 minutes I didn't feel anything after that," said Brandao's mother.

The 4th-grader sprang into action.

"I heard my dad screaming and say my mom passed out," said Jayline.

Staying calm, she grabbed her dad's phone to call 911.

The problem was that the iPhone was locked, and he was overtaken by the odorless gas.

"So, I unlocked it by using my dad's face," said Brandao.

That she did. And she literally saved everyone's life.

Carbon monoxide inside the home was measured at over 1000 parts per million, a potentially fatal level.

This girl is a real life hero!

Also, be careful with generators and make sure you know what you're doing!