Servant S04e08 French Hdtv -

Leanne’s powers manifest in increasingly violent and elemental ways, proving she is far more dangerous than the family anticipated.

The "tunnels" referenced in the title provide a literal and metaphorical backdrop for the family's attempt to escape or trap the forces at play. Servant S04E08 FRENCH HDTV

: Dorothy, Sean, and Julian finally attempt a coordinated intervention to remove Leanne from their home. Their plan involves using the "Church of Lesser Saints" rituals they've learned about to neutralize her. Servant S04E08 FRENCH HDTV