[ female announcer ] the internet gets more exciting the faster it goes. that's why, coming soon, xfinity will double the internet speed on two of our most popular plans. xfinity continues to innovate, bringing you the fastest, most reliable internet, period. [ heart beating ] xfinity internet from comcast. double the speed. [ heart beats ] returning to our story, 14-year-old kirsten howard has just stepped out of a harrowing nightmare. abused and shaken, but alive. for three years, she says she