Meredith asks Heather to help fix Derek's hand; Cristina sets Stephanie and Leah against each other in a competition; Alex starts to see Jo differently; Shane learns a valuable lesson from April.
The BAU team flies to Iowa to investigate the disappearance of three 10-year-old children who appear to have been abducted from their homes, with surveillance video from a park as their only lead to finding the children's whereabouts.
