I'm babysitting this summer for my dad's sizzling-hot business partner, Mr. Blake. I adore his children, so when he asks me to move into the guest room so I can watch them around the clock, I say yes. His girlfriend is a complete B-word on a good day and hates his kids, and Mr. Blake seems to be completely oblivious. So, when I find out her plans to break up the happy family and send the kids off to boarding school, I know I have...