The U.S.S. Enterprise
pursues an unknown ship into an asteroid belt to save its crew before
destroyed. The four people aboard are beamed on to the U.S.S.
former nemesis Harry Mudd and three beautiful, sultry women: Ruth
Eve McHuron and Magda Kovacs. Mudd was transporting the three women to
VI to marry settlers there.
Enterprise computers reveal that Mudd has been charged with a number of
infractions of the law. In pursuit of Mudd's ship, the U.S.S.
Enterprise has burned out its lithium crystals, which power the
starship's engines, and Kirk orders them to proceed as quickly as
possible to the nearest lithium mining planet. That planet is Rigel
XII, which is inhabited by only three lithium miners.
manages to contact Ben
Childress, the head miner, and make a deal with him. Mudd promises to
deliver the three beautiful women to the lonely miners in exchange for
lithium crystals and their help in escaping Kirk.
Upon reaching the planet, Eve
tries to escape, having fallen for Kirk and not wanting to marry one of
the miners, but Ben Childress brings her back. They discover that the
women are using an extremely illegal Venus drug to make them beautiful
and without which they become quite plain. By the time the fraud is
discovered, Magda and Ruth are already married to the miners, to the
satisfaction of all parties involved. Eve, who realizes that Kirk is
married to his career and to
his starship, settles for marrying Ben. Kirk gets the lithium crystals
he needs for the U.S.S. Enterprise and Harry Mudd, on whom he has filed