An Amish boy and his mother are traveling to visit relatives in Philadelphia when the boy witnesses a murder at the train station. Detective John Book is tasked with solving the crime, but soon finds himself in danger when the culprits discover his investigation. He seeks refuge with the Amish community, where he learns about their non-violent way of life and forms a forbidden romance with the boy's mother.

Witness
A detective seeks refuge in the serene Amish community after a murder investigation puts his life at risk, where he must protect a curious young boy who witnessed the crime.