SHEBOYGAN, Wis. (WHBL) - A Plymouth man will spend 6 years in prison and 6 years on extended supervision for having sexual contact with a 13 year old girl last September.  49 year old Stephen Grimm was charged in October after a social worker contacted police in Berlin, who contacted the Sheboygan County Sheriff’s Department, which then began an investigation.  Grimm was sentenced recently by Judge Timothy Van Akkeren.