Dumb Witness (S02E03)

Two murders have occurred, and the sole witness is a dog. A haunted castle is overrun with ghosts claiming they will unveil the killer's identity. Laurence, who is skeptical about the existence of ghosts, finds the situation unbearable, especially with her mother insisting on getting involved. To complicate matters further, her mother is determined to set up her beloved Avril with her son. This leads to a whirlwind of chaos for the Commissione, leaving them with plenty of challenges to navigate.