Luís Boa-Morte, a respected businessman and influential figure in Porto, was found dead at his home in Ribeira.

The police, after a brief and cursory investigation, declared his death accidental. Case closed! But Esperança Boa-Morte, her sister, could not accept this conclusion so easily, because something was very wrong…

On the night of his death, next to Luís' body, a small glass spilled with orange liqueur was found—a seemingly banal detail, but one that raised an alarm in Esperança's mind. Louis hated orange. Its taste had made him sick since he was a child. He would never drink that of his own free will.

The evidence was clear to her: Louis was not alone that night. Someone was there with him, in the shadows, manipulating events.

Months passed, but the weight of the truth did not abandon Esperança. While going through his brother's belongings she found a letter. Hidden. Almost forgotten. Luís’ words now echoed like a scream from beyond the grave:

"If you're reading this, it means I'm dead. Don't trust anyone. My life has been threatened, and if something happens to me, there's only one way out to find out the truth. Go to the “heart” of the city, where ancient stones hold secrets and secrets keep killers. Seek help. Finds a team of detectives capable of following the clues. They will know what to do. My killer is closer than you think. Don't let him get away with it. "

Visit all the locations. These will give you important clues to discover where Luís' trusted person is. That person holds the final riddle and solving it means that you be might able to unravel Luís' murder.

What to expect:

- Intriguing clues: each monument hides secrets that you need to decipher.
- Fun challenges.
- Cultural adventure: discover the beauty of the city of Porto.

Can you find the killer? Only the bravest and most cunning will unravel the mystery! Challenge accepted?