# The Hidden Child (Patrik Hedstrom and Erica Falck, Book 5)
## Part I: The Discovery
- **The Mysterious Letter**
- Erica finds an old letter in her late mother's belongings.
- The letter hints at a dark family secret.
- Erica becomes determined to uncover the truth.
- **The Past Unveiled**
- Erica learns about her mother's involvement in a controversial group.
- The group was suspected of having ties to Nazi sympathizers.
- Erica struggles with the implications of her mother's past.
- **Patrik's Investigation**
- Patrik is drawn into the case when a body is discovered.
- The body is linked to the same group mentioned in the letter.
- Patrik begins to investigate the historical connections.
## Part II: The Investigation Deepens
- **The Victims**
- Multiple victims are found, all connected to the same group.
- Each victim has a hidden past tied to the Nazi era.
- Patrik and his team work to connect the dots between the victims.
- **Erica's Research**
- Erica delves deeper into her mother's history.
- She discovers that her mother had a secret child.
- This revelation shocks Erica and adds urgency to her quest.
- **The Hidden Child**
- Erica uncovers the identity of the "hidden child."
- The child was given up for adoption during World War II.
- The child's existence is central to the mystery.
## Part III: The Truth Revealed
- **Confronting the Past**
- Erica confronts her mother's friends and acquaintances.
- She uncovers painful truths about betrayal and survival.
- The community is forced to reckon with its dark history.
- **The Killer's Motive**
- Patrik identifies the killer's motive as revenge.
- The killer seeks to punish those who were complicit in the past.
- The investigation leads to a tense showdown.
- **Resolution**
- The killer is apprehended, but the scars remain.
- Erica comes to terms with her mother's legacy.
- The novel ends with a reflection on how the past shapes the present.