For all ages. It's every girl's dream to be a princess; but when average high schooler ChaeKyung is engaged to the crown prince, she finds that royal life isn't at all what she expected.

The entire palace is in an uproar after a fire breaks out in Daebi-Mama's quarters. Is it an accident or is it arson? Chae-Kyung doesn't want to think Shin is involved, but when she slips into Shin's room, she accidentally overhears scraps of a conversation that sound an awful lot like a confession. The investigation almost prevents them from going on their high school trip, but with a little negotiating they're on their way to a cozy, out-of-the-way hotel where the Queen Mother has made some...special arrangements: The two of them have to share a room! Things are already awkward, but Chae-Kyung can't shake her suspicions, especially when Shin's behavior seems so different from usual...