Vivian impatiently stood outside the school gates, waiting for her sister. As she scanned the street, her attention was caught by a black Maybach pulling up across the road.

Before she could look away, the car door flung open, and Mia dashed out of it. Vivian's mouth fell open in surprise. However, she quickly composed herself and looked away, pretending to search for someone down the road.

Mia was taken aback when she saw her sister. The first thought that crossed her mind was, "Did she see ...