Clark Kent becomes embroiled in a story involving Lex Luthor and a plot to sabotage a space launch.

More than one "invisible man" terrorizes Metropolis; and Lois feels invisible to Superman, whose visibility as a celebrity has its price.

Lois kills a story exposing a fight scandal because its publication could get her father, a sports surgeon, killed.

An ex-lover of Lex Luthor spreads a perfume in the Daily Planet and everybody begins to fall in love with each other. Lois falls for Clark, the only one who isn't affected by the perfume and he tries not to take advantage of her. Without the perfume effects, Lex tells Nigel that he is in love with Lois.

Lois helps a convicted murderer (but he is innocent) allowing him to stay at her house. He is the only one with the cure for a destructive new computer virus that is a menace for Metropolis. Jonathan worries that Martha might be having an affair and comes to Clark's apartment.

Lex throws Lois for a loop by proposing marriage. Meanwhile, Clark smells a rat when Lex "saves" the Daily Planet from going under.

Lois's mom arrives for her daughter's wedding to Lex, but Lois's pals have other plans.