Owen and Teddy have to deal with the surprise arrival of Megan Hunt, who knows nothing about their situation. Catherine preps for her first surgery back on a war veteran who's not emotionally prepared for his procedure. Meredith worries about DeLuca operating alone with Richard.

Meredith debates how to handle an unexpected situation in her personal life, while Richard has an untimely reunion with an old friend. Jo has a hard time at work, and Owen tries therapy.