Kristin Lindquist

Ben worries that an innocent conversation with Derek could end up causing problems for Bailey; Cristina turns to Shane as tension with Meredith increases; April's upcoming wedding creates an uncomfortable situation for Stephanie and Jackson.

In this Addison-centric episode, her role as a parent is challenged when Henry's biological mother reappears and asks to be more involved in her young son's life.

Veronica uncovers some surprising facts about her mother, which prompts her to investigate her old school friends in an effort to find out just how well she knew them.

Sarah and Tammy have a big white wedding, ghosts from the past visit both Maura and Ali, and Josh and Raquel are unable to hide their big news.

Reno tracks down a rock star who has arranged his own disappearance.

When Ben leaps aboard a 1970s passenger jet as a flight attendant, he must outwit its hijackers before it mysteriously crashes into the Atlantic, and worse, he has to do it all without Ziggy's help.