Una dona cobejosa denuncia el seu marit, lladre de joies, per la recompensa. Un detectiu amic del marit adopta la filla de la parella i la cria com si fos. Divuit anys després, el marit, encara empresonat, descobreix que la seva exdona està intentant fer xantatge a la seva pròpia filla. Jura escapolir-se i parar-li els peus d'una vegada per totes.

A greedy woman betrays her jewel thief husband to the police, for the reward. Her husband's friend, a detective, adopts the couple's child and raises her as his own. Eighteen years later the husband, still in prison, finds out that his ex-wife is now blackmailing their daughter. He vows to break out and put a stop to her once and for all.

Un ladro di gioielli, in prigione da diciotto anni, è costretto ad evadere per andare in soccorso della figlia, adottata da un poliziotto e ricattata dalla malvagia madre biologica.