Young detective Zhengfei Han embarks on a grueling 15-day pursuit to uncover the true culprit behind a complex case. Facing immense pressure and hardship, he remains steadfast in his dedication, so much so that his hair turns white overnight. Despite the physical and emotional toll, Zhengfei stays true to his ideals and ultimately succeeds in capturing the criminal, reaffirming his professional faith and commitment as a law enforcer.
