After her husband's unexpected death and subsequent financial woes, suburban mom Nancy Botwin embraces a new profession: the neighborhood pot dealer. Nancy is faced with keeping her family life in check and her enterprise a secret.

During the day, Dexter Morgan is a jovial employee in the Miami Metropolitan Police Department's crime lab, but his meticulously crafted life masks his true nature. In reality Dexter is a disciplined and murderous psychopath and he slakes his blood lust at night by carefully killing the serial killers he tracks down during the day.