What happens in Frostbite by Richelle Mead?

Frostbite is a novel written by Richelle Mead and is the second book in the Vampire Academy series. Here's a summary of what happens in the book:

1. The Struggle With the Strigoi: The Dhampir guardians and their Moroi charges, including Rose Hathaway and Lissa Dragomir, continue their training at St. Vladimir's Academy. However, the threat of the Strigoi - powerful and bloodthirsty vampires - looms over them.

2. Rose and Dimitri: Rose's relationship with her Guardian, Dimitri Belikov, deepens as they work together to protect Lissa. Despite the forbidden nature of their feelings and their different stations, their connection grows stronger.

3. Christian's Secret: Rose discovers that Christian Ozera, a fellow student, is actually the younger brother of the late queen. This revelation adds another layer of complexity to the relationships between the characters.

4. Journey to Russia: The group embarks on a trip to Russia to seek out the assistance of the dhampir villages there. They hope to find a way to combat the Strigoi and protect the Moroi.

5. Spirit Guardians: Rose and Lissa learn more about the Spirit Guardians, protectors bonded to special Moroi. They seek guidance from the Guardians and gain insights into their own abilities and fates.

6. Uncover the Plot: As the story unfolds, Rose, Dimitri, and their friends uncover a sinister plot involving Strigoi and human cultists. They must race against time to stop the impending attack on the Moroi and save the lives of their loved ones.

7. Sacrifices and Consequences: The characters face tough choices and make difficult sacrifices as they fight to protect their friends, their community, and the world from the Strigoi threat.

8. Cliffhanger: The novel ends with a major revelation and a cliffhanger that sets the stage for the events in the next book, Shadow Kissed.

Throughout "Frostbite," the characters continue to develop and grow, as they explore their powers, friendships, and the depths of their love and loyalty. They face challenges and obstacles, both external and internal, as they strive to protect their world from the forces that threaten it.