When Jeannie senses that her nephew, Daniel, is unhappy at his boarding school, she quizzes him about it, and he lets on that he thinks a teacher was murdered. Jeff and Jeannie get jobs there as teacher and nurse, to investigate, and find that the headteacher is exerting a sinister influence on the boys.
| Name | Type | Role | |
|---|---|---|---|
| Charlie Higson | Writer | ||
| Phyllis Logan | Guest Star | ||
| Peter Bowles | Guest Star | ||
| Melissa Knatchbull | Guest Star | ||
| Rachel Talalay | Director |