The ladies of Orange County are ready to explore everything in Iceland from hiking a glacier to sampling the exotic cuisine. While Tamra and Vicki seem to be reconnecting, Lydia and Tamra hit a bump in their friendship. After a long day of activities the ladies are faced with a shocking medical emergency.

After being hurt by Kelly's words, Peggy reveals a secret video to Lydia. Meanwhile, the rest of the ladies whoop it up at a Viking dinner where Tamra and Vicki continue to get along, much to the dismay of Shannon. When Peggy finally arrives at the dinner, her preemptive strike on Meghan thoroughly backfires. Once everyone returns to the OC, Shannon discovers the nature of her unbalanced behavior, but also finds her marriage on thin ice.