Clark is staggered by his new-found ability to see through solid objects with X-ray vision, especially when he witnesses Lex Luthor commit a bank robber; a shapeshifting teenager threatens Lana.
An old woman grants Clark a glimpse of his future, while Lex takes advantage of the seer's gift to learn more about his friend's secret; a bitter old man is rejuvenated by a fountain of youth.
An edgy janitor takes Clark's high school class hostage at LuthorCorp, claiming his jitters were caused by a mysterious contaminant.
After a bad cop sees Clark use his superpowers, he is compelled to join forces with the rogue officer to protect his secret identity; an old flame makes an intriguing proposal to Lex.
A lightning strike transfers Clark's superpowers to a classmate, who begins to abuse his new abilities; Lex thinks he has proof of Clark's superpowers.