Eva's teacher, Miss Featherbottom, is getting married, but when her special necklace disappears, Eva and her friends set out to track down the thief and return the necklace before the wedding.

When Eva Wingdale sees something large and white flying above her she is convinced that it is a ghost, although most of the other owls just laugh at her--until something large and heavy and white lands on the school roof.

Treetop Owlementary is putting on a play! Eva and her friends can't wait to try out for parts, learn their lines, and build the sets. Eva's class is putting on a play, Snowy White and the seven owlets, but Eva is a little disappointed when she is cast as the Magic Mirror (and Snowy White's understudy); the owl students are making all the sets, props, and costumes, and rehearsal is a little chaotic--but the play is going well until Snowy White hurts...