Biology teacher Claire is a bridesmaid and conducts a class on Blue Island. Claire takes action when she learns her former boyfriend works for the developer building a resort on Blue Island.

Follows the continuing story of teacher Elizabeth Thatcher, widow Abigail Stanton, Constable Jack Thornton and the other residents of the 19th century Canadian coal mining company town of Coal Valley.

The Teacher From the Black Lagoon (a young boy thinks his new teacher is a monster); The Librarian From the Black Lagoon (a trip to the library has the kids ready for anything); The Gym Teacher From the Black Lagoon (is the new gym teacher really a monster?); and Shrinking Violet (a little girl has to overcome her shyness, when she must perform in the school play!).