Lana's father, an archeologist, comes to the university with what he thinks is a cursed relic. Lex Luthor then steals the jewel in order to sell it to the highest bidder.
Clark falls for Sara, the daughter of a crime boss. Both Clark and Sara get stuck in the middle between rival crime syndicates, and it is up to Superboy to save everyone.
TJ goes to a scrap yard to investigate strange things that have happened there. When he arrives, he is trapped in a crushing machine by the old man, Mr. Wagner, who owns the scrap yard.
When a scientist's formula to improve the efficiency of gasoline is nearly destroyed, a Russian exchange student named Natasha is accused of sabotaging the computer that the formula was stored on.
A rock star, Judd Faust, wants the amusement park and puts everyone in danger when the owner refuses to sell it to him. Lana falls in love with Judd but learns of his true nature when he takes her away one night and puts her in a torture device.
Clark discovers that Luthor is trying to fix some of the school's basketball games so that he make a killing in betting. And the way he does that is, that he has a photo of the team's star player in a compromising position that if it got out it would ruin his career.
A strange cloud-like alien who can take over others bodies comes to earth hoping to steal Superboy's body so he can add it to his collection of warriors.
A businessman wants to buy all the farms in the Smallville area during an agricultural depression. Mr. Kent wants to find out why. Kenderson, the businessman, has something to hide and tries to kill Mr. Kent but he is unsuccessful.