Set in the late 1920s, The Age of Shadows follows the cat-and-mouse game that unfolds between a group of resistance fighters trying to bring in explosives from Shanghai to destroy key Japanese facilities in Seoul, and Japanese agents trying to stop them.

Tae-Il lives a fast life as low level thug. He then learns that he has a terminal illness and not much time left to live. Then, for the first time in his life, he falls in love.

Set in the late 15th century during the reign of King Yeonsan, two male street clowns and tightrope walkers, Jangsaeng and Gong-gil, are part of an entertainer troupe. Their manager prostitutes the beautiful Gong-gil to rich customers, and Jangsaeng is sickened by this practice. After Gong-gil kills the manager in defense of Jangsaeng, the pair flee to Seoul, where they form a new group with three other street performers.

Joon-seok is sent to prison for his involvement in Dong-soo's death. He meets Dong-soo's son in prison, keeps his identity a secret, and agrees to join forces when he is released. All of their plans fall apart when Sung-hoon finds out the truth.

A condemned prisoner slowly falls in love with the married female artist who decorates his prison cell. Jin is a convicted killer awaiting execution on Death Row; Yeon is a lonely artist locked in a loveless marriage.

A vengeful refugee-turned-pirate steals nuclear materials to attack and obliterate the Koreas in a Nuclear Typhoon. A top South Korean naval officer is assigned the task to stop his plans and execute him.