Jason leads a band of heroes on a perilous maritime expedition to retrieve the Golden Fleece from the distant land of Colchis. Driven by the mandate of King Pelias, Jason must navigate the treacherous waters of the Euxine Sea while contending with divine interference and the unpredictable nature of the gods. The narrative follows the Argonauts as they face monstrous obstacles and internal strife, culminating in a complex psychological entanglement with the sorceress Medea. Written in the third century BC, the poem utilizes a structured epic framework to examine the intersection of human ambition and mythological fate.

Readers and scholars frequently highlight the work as a vital bridge between the Homeric tradition and the later Roman epics. Discussion often centers on the nuanced portrayal of Medea, whose internal struggle and eventual transformation provide a stark contrast to the more traditional heroism of Jason. Critics emphasize the poem's unique blend of erudite scholarship and emotional depth, which distinguishes it from earlier Greek epics. Many readers appreciate the text for its focus on the human condition and the limitations of mortal agency when confronted with divine power. The work remains a subject of intense study for its influence on Virgil and the development of the romantic epic genre.