Story of Porus (Puru)
In 350 BCE, A Persian trader, Darius enters India intending to conquer it due to its wealth and prosperity. Two rival Indian kingdoms, the Pauravas (of the Puru tribe) and Takshashila (of the Bharat tribe) decide to end their enmity with a political marriage of the king of the Paurava Kingdom, Bamni and Anusuya, the younger sister of Ambhiraj, the king of Takshashila. Unlike her brother Ambhiraj, who cares only for his kingdom, Anusuya dreams of a united India. Bamni reveals that he married Anusuya to avenge his elder brother and Prime Minister, Shivdutt's insult by Ambhiraj which leaves her heartbroken. However Darius manipulates her by telling her to avenge her insult by attacking the Paurav Kingdom with Ambhiraj's help. Anusuya tells his intention to Bamni who doesn't believe her. Later, Bamni realizes his mistake and starts afresh with Anusuya. They oust Darius from the kingdom. Anusuya becomes pregnant and the astrologer says that their son will be the future of this country and bring honor to the ancestors.
Later Darius conspires with Ambhiraj and Shiv Dutt, breaks the peace between the two kingdoms, and forces Anusuya to flee. During her escape, she gives birth to a son, Porus (native name Purushottam, nicknamed Puru). Shiv Dutt tries to kill Anusuya and Porus by throwing them in River Jhelum. However, the Commander-in-Chief of the Paurava Kingdom, Ripudaman saves Porus and raises him in the Dasyu Kingdom, made up of pirates. Meanwhile, Darius (who later becomes the emperor of Persia) manipulates Bamni into becoming his trade partner to gradually steal India's wealth, leaving a heavy Persian influence on the Paurava Kingdom. On Shiv Dutt's suggestion, Bamni marries Kadika, the sister of Shiv Dutt's right-hand man and Paurava general. Samar Singh. and has a son, Kanishk.
Story of Sikander (Alexander)
In 350 BCE, Queen Olympias of Macedonia insults King Philip, resulting in the latter raping her. To avenge this insult, Olympias proclaims their son, Alexander, as the son of Zeus (King of the Greek Gods) who will rule India.
Porus and Sikandar's meeting and aftermath
During Porus's trip to Persia, he meets Alexander and challenges him to come to India and go back to Paurav Kingdom. Alexander arrives in India, vassalising Ambhiraj and thus capturing Takshashila. Porus, who was in Takshashila at that time after escaping from the Paurav Kingdom with Bamni who was injured by Shivdutt, escaped from there safely along with Chanakya and made an act of Porus being dead. Chanakya invites Alexander to Porus's coronation ceremony and visits the Paurav Kingdom Alexander is shocked to see Porus alive and pledges to take revenge for this insult. Kanishk escapes imprisonment and he and Sumer ally with Alexander.
Alexander declares war with the Pauravas which lasted for months. On Porus and Laachi's marriage, Kanishk's men interrupt the ceremony, and Anusuya kills Sumer as she learns of his betrayal. Laachi asks for justice from Porus. Kanishk later tells the truth to Porus and Bamni which proves Anusuya innocent but is killed by Alexander. Dasyus allies with Alexander to attack Pauravas but later realizes their mistake and goes back to Paurvas but Laachi's mother, Mahanandini is killed off. Chanakya kidnaps Olympia and brings her to Paurav Kingdom. She performs black magic on Porus and Anusuya but fails in her attempts due to which she is on her deathbed but is saved by Chanakya. Alexander learns of Olympia's abduction and attacks Pauravas on both sides with the help of Ambhiraj. Ambhiraj kills off Anusuya and Porus takes revenge by killing Ambhiraj after which his son Ambhikumar and his mother become his enemies.
Both sides suffer heavy losses during the war, with Porus losing Bamni and Hasti. Eventually, Alexander is victorious in the Battle of the Hydaspes in 326 BCE and captures Porus, but impressed by Porus's bravery, he returns his kingdom to him, ends his campaign, and starts his journey back to Macedonia. Porus and Laachi has a son, Malayketu. On his way back to Macedonia, Alexander dies under mysterious circumstances in Babylon in 323 BCE leaving behind Roxane who was pregnant. The same year, Porus and Laachi are assassinated in a group attack by Ambhiraj's vengeful son Ambhikumar and Alexander's former general Seleucus, though Malayketu survives. In his final moments, Porus entrusts the future of India to Chanakya.