National Geographic gets to the science behind what makes a man manly - his Testosterone Factor. It s one of the most important and powerful hormones in a man s body, but how does testosterone really impact his strength, status, success, and even commitment?

International Security Affairs agent Jon is on a dangerous mission to escort a criminal scientist to another country. En route, a member of his team turns out to be a traitor and shoots Jon in the head while kidnapping the scientist. When Jon wakes up in the hospital, a doctor tells him that within weeks, the bullet in his brain will cause complete paralysis. Jon returns to Beijing to see his mother, who confesses that Jon has a brother in Malaysia who was raised by his father, a gambler. Jon takes a flight to Malaysia to find his brother, Yeung. On the plane he forms a bond with Dr. Kan, who promises to look into possible treatments for his condition. However, when they arrive, Yeung tries to kidnap the doctor and when Jon intervenes, he s also taken hostage. The two soon realize they re brothers, and decide to work together in order to keep the criminals behind the kidnappings from reinfecting the world of a disease long thought cured.

International Security Affairs agent Jon is on a dangerous mission to escort a criminal scientist to another country. En route, a member of his team turns out to be a traitor and shoots Jon in the head while kidnapping the scientist. When Jon wakes up in the hospital, a doctor tells him that within weeks, the bullet in his brain will cause complete paralysis. Jon returns to Beijing to see his mother, who confesses that Jon has a brother in Malaysia who was raised by his father, a gambler. Jon takes a flight to Malaysia to find his brother, Yeung. On the plane he forms a bond with Dr. Kan, who promises to look into possible treatments for his condition. However, when they arrive, Yeung tries to kidnap the doctor and when Jon intervenes, he s also taken hostage. The two soon realize they re brothers, and decide to work together in order to keep the criminals behind the kidnappings from reinfecting the world of a disease long thought cured.

Documentary narrated by Morgan Freeman with Clint Eastwood commenting on his film career as an actor, a director and a song writer. He reviews his long relationship with Warner Brothers studios and why he has always enjoyed working there. The film also focuses on his successes and personal favorites, including the Sergio Leone films, his role as Dirty Harry, the several successful westerns that he was in leading up to his masterpiece, Unforgiven. This leads to some of the more recent roles that he enjoyed and his second great film, Million Dollar Baby. With a tip of the hat to Invictus, Eastwood talks about what the future may hold.

National Geographic gets to the science behind what makes a man manly - his Testosterone Factor. It s one of the most important and powerful hormones in a man s body, but how does testosterone really impact his strength, status, success, and even commitment?