Luiza is an architect who just got out of a ruined relationship. Gabriel is a biologist and he has finished a long-term marriage with divorce. When they both meet, chances that they can do well together are not that big. - Equal time is given to male and female perspectives in this take on modern Brazilian love - and not only Brazilian. A romantic comedy, Little Book of Love looks at the stages of a couple's affair and divides them into alphabetically arranged scenes.