Dae-ho, an investigative journalist, seeks to track down the whereabouts of his son who was abducted three years ago. With the help of a detective and a psychiatrist friend, he will retrace his memory of the incident through the use of lucid dreaming techniques.

In an accident, Lin Muer dies, and Lin Mu Yu accidentally finds her registration form for a speech contest. She aspires to be as confident as her sister, so she decides to enter the contest.