Once upon a time (Once upon a time, Rise of the guardians crossover)

Once upon a time their were the guardians who got trapped in an evil queen´s curse, just like the classic fairy tale characters.
Only Sandman, Henry and a grown up Pinocchio know about the true identities.
They think Henry has too much imagination and that pinocchio crazy is.
Only Emma can break the curse, but she doesn´t believe.