S4·E10 New Hire. Now Fire!

Seth takes his biggest stand to date when a 'roid-raging meathead threatens his father's safety. Plus, Ashley surprises everyone with a brand new hire. She's confident this girl's a diamond in the rough, but Les and Seth aren't so sure. Later, Ashley discovers the new girl has been taking items from the jewelry case and is forced to challenge her. The confrontation erupts and Seth steps in to protect his sister and the family business.