In The Spreading Calm, strange changes are sweeping through Pine Shallows Junior High. It starts small - one student acting... off. Too quiet. Too obedient. Soon more kids begin to change, and a heavy stillness settles over the school. The adults don't question it. In fact, they prefer things this way.
This is a companion discussion topic for the original entry at https://rpg-trader.com/products/1673/the-spreading-calm-a-mystery-adventure-for-pine-shallows