When a successful economist and a financial consultant in happy marriages engage in an affair, they are forced to navigate through their complex motivations and desires, their incompatibility with each other, and the potential end to their relationship.

A book illustrator spends her free time being a house-sitter, imagining what her life might be like if she lived in their houses. When she goes to work for a certain publisher, the connection they find through their work deepens until the two fall in love, but she worries her satisfaction is fleeting.