Sheldon fears the worst when a little girl goes missing from the ER; Addison and Jake have a disagreement about one of his patients; and a new doctor joins the team at Saint Ambrose. Meanwhile, Stephanie questions Sam about his past with Addison.
Casts:
Kate Walsh, Paul Adelstein, KaDee Strickland, Caterina Scorsone, Taye Diggs, Amy Brenneman, Benjamin Bratt, Brian Benben, Griffin Gluck