The haunted manor still holds a few secrets… In Hidden Signs, the first expansion for Mysterium, you must again try to clarify the circumstances of the ghost’s death. The plot thickens, as the psychics consider all-new leads: 6 suspects, 6 locations and 6 objects. To help them in this task, the ghost has 42 new vision cards with which to communicate more effectively. Return to the manor – your seat at the séance table awaits…