When Sara John's, the daughter of a Russian defector is threatened by a Soviet agent while on a school trip, the 'EYES' team is alerted, and warning bells ring in Whitechapel where one employee shows a more than passing interest in their case. Fred and Tessa go undercover, posing as a groundsman and games mistress respectively, to protect the young schoolgirl while Maggie discovers that Sara's estranged parents are desperately close to revealing a major spy scandal, putting their daughter's life at risk.
| Name | Type | Role | |
|---|---|---|---|
| Gerry O'Hara | Writer | ||
| Penelope Wilton | Guest Star | ||
| Oliver Cotton | Guest Star | ||
| Neil Morrissey | Guest Star | ||
| Carol Wiseman | Director |