Riley Flynn returns home to family dysfunction, familiar faces and a new priest at St. Patrick's; a dark storm is brewing on the island.

An unsettling omen washes ashore in the wake of the storm; when the locals gather for a potluck, tragedy strikes -- and a miracle occurs.

Miraculous times leave residents stunned as Leeza pays Joe a visit; a shocking confession reveals what really happened to Monsignor Pruitt.

Erin turns to Riley after receiving upsetting news; Father Paul starts experiencing side effects; Bev makes a startling discovery.

The sheriff fields multiple missing persons reports as the town prepares to gather for Good Friday; to protect Erin, Riley brings the truth to light.

A fervent Bev calls for faith on the night of Easter vigil; Sarah reveals the results of a troubling experiment, along with a sobering hypothesis.