Unconvinced that Light is not Kira, L decides to put Light under 24-hour surveillance. In order to prove his innocence, Light offers to cooperate in Kira's arrest.
A man, Higuchi, arrested as the third Kira dies. L investigates the Death Note which Higuchi possessed, but with the fake rule written by Ryuk, Light and Misa are exonerated.
Light succeeds in writing L's real name in the Death Note, but L put a trick in the notebook. Light, trapped in a tough spot, decides to take action.
Light and his father head to the designated location with the Death Note in order to rescue Sayu, who has been captured by Himura.
