Complex sentence: The chief constable Jin Jiuling (金九鈴) is appointed to investigate the case and arrest the bandit but to no avail, so he seeks Lu Xiaofeng's help to crack the mystery within eight days.
Split into simpler sentences: The chief constable Jin Jiuling (金九鈴) is appointed to investigate the case and arrest the bandit. He seeks Lu Xiaofeng's help to crack the mystery within eight days.