The Doctor and his companions arrive on the planet Skaro, the birthplace of the Daleks, and discover the horrifying truth behind their creation. The Doctor's mission is to prevent the Daleks from ever existing, but he faces a moral quandary: is it justifiable to commit genocide to prevent future atrocities? He must contend with the ruthless Davros, the creator of the Daleks, and the desperate Kaleds, who are on the brink of extinction. The narrative unfolds through the Doctor's perspective as he grapples with the consequences of his actions and the very nature of evil.

Genesis of the Daleks is widely regarded as one of the most significant and influential Doctor Who stories ever produced, often cited for its mature themes and complex villain. The narrative's exploration of the Daleks' origins and the moral implications of their creator's actions has been a subject of much critical discussion. Its impact on the show's mythology is undeniable, establishing Davros as a recurring and formidable antagonist. The story's bleak tone and philosophical questions continue to resonate with fans and critics alike, cementing its status as a classic.