The Arnos go undercover to bring down Steven Kesseling, a crooked stockbroker who is stealing from his clients and selling worthless stock at inflated prices. Celeste's involvement with Kesseling's son winds up putting her in great danger, while Chance fears his father may have gone too far undercover as he watches Danny fall under the spell of a beautiful female suspect. Is Dad just doing his job - or has he crossed the line?