Allison is put in a tough spot when a 10 year-old case is reopened. She has information that proves the innocence of a convicted murderer and which may be able to set him free. Allison's situation gets worse when she thinks that someone she knows and trusts was possibly involved in the framing of the murderer. Meanwhile, Joe's mother comes to visit him.
The title of the episode refers to the rough in a golf course. The rough is the part of the course where the grass is longer and the ball hard to hit from, located at the outskirts of a hole. When playing, the golf ball ideally shouldn't land in the rough.