The runaway angel princess is on a field trip, along with the four guardians of Heaven who are searching for her in the human world. A field trip sounds like so much fun! But the princess, who is still disguised as a school boy, is plagued with more trouble always. Will the guardians be able to save her from all the trouble? Also, the secret past of beautiful Ah-Hin and powerful Woo-Hyun is about to be revealed. What will be waiting for them when...

Mi-Hyang, Bi-Wal's fiance, comes to the human world determined to get rid of the angel princess. She assumes Ah-Hin is the princess, but captures Dong-Young by coincidence. With her secret identity revealed, will Dong-Young be able to escape this situation?

"The search for the demon Se-In and Bi-Wal's brother, Ryung, brings about some unlikely alliances between heaven and hell. Confused, Dong-Young seeks out Bi-Wal but once again finds herself with Se-In''s life in her hands instead!" -- p. [4] of cover