Edgar starts out in a non-unfamiliar grumpy mood and tells some people off obnoxiously, then becomes overcome with joy and kindheartedness when he discovers that his wife is about to have a baby.

Not even the joys of parenthood can stop married sleuths Nick and Nora Charles from investigating a murder on a Long Island estate.

Childhood chums Rocky Sullivan and Jerry Connelly grow up on opposite sides of the fence: Rocky matures into a prominent gangster, while Jerry becomes a priest, tending to the needs of his old tenement neighborhood.

Annabel Allison, star of Wonder Pictures, is irked at her poor publicity, especially when a rival gets engaged to a Marquis; so she makes studio head Webb re-hire disgraced publicity agent Morgan for her personal appearance tour. The trip proceeds with a flurry of Morgan's crazy, slapstick publicity stunts. Then Annabel has her chance to "bag" a real Viscount.

An obsessed scientist conducts profane experiments in evolution, eventually establishing himself as the self-styled demigod to a race of mutated, half-human abominations.