[1] The Mistress features Kendal playing Maxine, a young florist, who is having an affair with a married man.

[3] While Maxine occasionally feels guilty and insecure about the affair, she is a generally optimistic and happy person.

[1] In the second series, Helen begins to suspect that Luke is having an affair, but when she tells him he neither admits it nor denies it.

The programme and the series ends with Maxine on the phone telling her shop assistant and friend Jamie that the affair is over, and that she is pregnant.

Similar to Carla Lane's other sitcoms, including Butterflies and Solo (which also starred Felicity Kendal), The Mistress has a serious theme – here, that of an affair.