A childless king is given a potion by an old man which cures his 7 wives’ barrenness. However, the child of the 7th wife is a conch. The old man asks for the conch as reward, and turns it into a prince. It turns out that the old man is a king in disguise who trains the conch prince and sends him out to seek his fortune, whereupon he disguises himself as an old gardener and wins the love of a princess.