Episode 9 of "Shark"
s01e09 Dial M for Monica

While prosecuting a double homicide case, Sebastian tries to protect the reputation of a young married prosecutor who was found fatally shot in a car with a dead prostitute. Sebastian's team soon learns that the dead prostitute worked for Hollywood's high-end madam, Monica Tanner, with whom Sebastian has a history that he refuses to fully disclose. This enrages Jessica, who wants nothing to get in the way of nailing the killer of one of her favorite prosecutors. Meanwhile, Sebastian is concerned about Julie's progressing romance with Eddie.