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

An alcoholic lawyer who successfully defended a notorious gambler on a murder charge objects when his free-spirited daughter becomes romantically involved with him.

When Mabel catches her husband flirting with their maid, it leads to a sharp dispute. As part of making up, the couple decide to take a walk to the park. Nearby, another married couple have just had a similar domestic squabble, and they too go to the park together. But at the park, all parties involved find it difficult to avoid getting themselves into further trouble.