Secrets unfold one letter at a time. Will Cassandra expose the most private details of her life, or send her sister Jane’s legacy up in flames?
Name | First Aired | Runtime | Image | |
---|---|---|---|---|
S01E01 | Episode 1 |
February 2, 2025
BBC One
|
52 | |
S01E02 | Episode 2 |
February 9, 2025
BBC One
|
53 | |
S01E03 | Episode 3 |
February 16, 2025
BBC One
|
53 | |
S01E04 |
Episode 4
season finale
|
February 23, 2025
BBC One
|
53 |