S1.E15 ∙ Les trois clefs

Two men running a carnival airplane ride are hired to fly to retrieve what they think are photos for a reporter. Actually, they are retrieving diamonds stolen from a noted gem dealer.

Lucía starts tonight as a Call TV hostess on the worst night of her life.

Oliver Quade is a pitchman who follows state fairs that feature dog shows---which limits his territory more than a little---at which he sells encyclopedias...and does it well as he possesses a photographic memory that amazes the rubes. The Champion, in the title, is a Great Dane who has won the title at the Rubeville State Fair, and it isn't long before the Champion turns up dead, which is because somebody---motive unknown at the moment---has killed the Champion. This is repeated at other shows along the way and Quade's bright young assistant, "Small Fry", fancies himself as an amateur detective, and starts nosing around into the mystery and drags Quade along with him.

The sleepy little village of Loubressac is well on its way to becoming a ghost town. To save the town, the local citizenry hatch a plan to attract tourists. To their horror, the plan misfires when a group of hippies are the first to move in. The hippies' free and unconventional ways quickly upset the staid lives of the locals. Then one of the locals is found murdered, and suspicion inevitably falls on the newcomers. Eventually, the locals and the hippies join forces to solve the mystery, and in the course of their adventures learn to respect each others' ways.

Dae-Ho (Lee Sung-Min) is a former detective and now considers himself the neighborhood sheriff of where he lives. Jong-Jin (Cho Jin-Woong) is a successful businessman from Seoul that moves to Dae-Ho's neighborhood in Busan. Dae-Ho begins to suspect Jong-Jin is a drug offender and investigates with his brother-in-law Duk-Man (Kim Sung-Kyun).

An ordinary law-abiding man finds himself in straitened circumstances, and decides to pass himself off as a Baron, adopting the life-style of the rich. He is very successful at dealing in stolen luxury cars.