A pair of intelligence agents posing as a tennis pro and his coach go on secret missions around the world.

When the Switchblade, the most sophisticated prototype stealth fighter created yet, is stolen from the U.S. government, one of the United States' top spies, Alex Scott, is called to action. What he doesn't expect is to get teamed up with a cocky civilian, World Class Boxing Champion Kelly Robinson, on a dangerous top secret espionage mission. Their assignment: using equal parts skill and humor, catch Arnold Gundars, one of the world's most successful arms dealers.

In October 2007, a striking portrait of a young woman in Renaissance dress made world news headlines. Originally sold nine years before for around $20,000, the portrait is now thought to be an undiscovered masterwork by Leonardo da Vinci worth more than $100 million. How did cutting-edge imaging analysis help tie the portrait to Leonardo? NOVA meets a new breed of experts who are approaching "cold case" art mysteries as if they were crime scenes, determined to discover "who committed the art." And it follows art sleuths as they deploy new techniques to combat the multibillion-dollar criminal market in stolen and fraudulent art.

A Los Angeles extreme-sports photographer returns home for the holiday to take care of her grandmother, only to have a neighbor grab her attention as he needs assistance watching his young nephew.

Jenn buys an old reel-to-reel recorder at a garage sale only to find that it includes the sound of a man pleading for his life. When the former owner of the recorder, a retired therapist, is found murdered in a patient’s apartment, Jenn’s investigation leads to other patients whose love lives are more entangled than she was first led to believe.

Yoo Seol-Ok liked mystery novels and wanted to become a detective, but she gave up her dream after marrying. Now, she is a housewife with a husband who works as a prosecutor. She meets Ha Wan-Seung. He is a passionate detective and they decide to collaborate to solve cases.

Due to the fall of the Berlin Wall, a double agent is targeted by the American foreign intelligence service CIA.

A French secret agent gets a license to kill when he is sent to Vienna to plug a security leak in this routine spy saga. He is caught in the crossfire of international enemy agents trying to eliminate the French.

The blueprints of an aeroplane built from an ultra-secret metal are stolen from national security. French secret service agent Walder believes that the documents are now in Switzerland, in the hands of a man named Lindbaum. The latter agrees to hand over the blueprints in return for a large sum of money. Another agent, Francis Coplan, is sent to Switzerland to handle the deal, but Lindbaum only has half of the documents because he was double-crossed by Kalpannen, an international crook. With the help of Heidi, a Swiss correspondent, Coplan sets out to identify the members of Kalpannen’s gang, only to find that they have all been murdered…

Aurora Teagarden and her boyfriend Martin are thrilled when they get an unexpected visit from his niece and her new baby. Their excitement is short lived when his niece disappears and the baby is left behind. Once again, Aurora finds herself drawn into a deadly investigation as she risks it all to help Martin reunite with his family.