Casey is furious when Tom and Margo tell him that they are not going to let him go to the University of Wisconsin, and blames it on Gwen. Emily screams when she thinks she sees Paul but takes off before he can get to her after hearing Meg's car. Paul tries to force Meg to hunt Emily down, but Meg balks at taking orders from Paul, and finally tells him that she's the one who exposed him. Lily shows up at the airport and begs Keith to let her go. Keith agrees to do so, but reminds her that if she breaks her promise, she'll be responsible for whatever happens to Luke. Gwen and Will are devastated when Dr. Schiller tells them she's not pregnant. Luke and Holden are thrilled when Lily returns to the farmhouse. Source: tv.com (thetvdb.com)