"Sam going to Grassland Preschool is actually perfect. He clicks with Ben and Isabella, and the three siblings can hang out and look after each other there. Isabella's bubbly personality keeps Sam company, and Ben can show him the ropes.

But... If James shows up at school, he might run into Ben and Isabella.

Emily rarely looks this serious. The kids' smiles fade, and Isabella squeezes mommy's hand nervously.

"Ben and Isabella, listen up," she ...