In the end , he manages to solve the case through reasoning in order to prevent his own execution .
Ja'far again fails to find the culprit before the deadline , but owing to chance , he discovers a key item .
Ja'far manages to solve the case through reasoning in order to prevent Ja'far 's own execution .
Ja'far again fails to find the culprit before the deadline , but owing to chance , he discovers a key item .