Witness

The name of this movie is Witness released in 1985-02-08 and it's main theme is A sheltered Amish child is the sole witness of a brutal murder in a restroom at a Philadelphia train station, and he must be protected. The assignment falls to a taciturn detective who goes undercover in a Pennsylvania Dutch community. On the farm, he slowly assimilates despite his urban grit and forges a romantic bond with the child's beautiful mother..