Steed wants Mrs. Gale to impersonate Hilda Stern, a recently arrested assassin about to be used by the trans-national crime syndicate Intercrime. Things go swimmingly, until the real Hilda Stern breaks out of Holloway and confronts the imposter.
| Creator | Sydney Newman |
|---|---|
| Actor | Patrick Macnee, Linda Thorson, William Lucas |
| Country | United Kingdom |
| Production | Associated British Picture Corporation |