Først når mødelederen har opsummeret handlingen, læser læsekredsen boganmeldelsen.

Først når means only when or not until.

So the sentence has the idea:

• Only when the chairperson has summarized the plot, the book club reads the review
• more natural English: The book club doesn’t read the review until the chairperson has summarized the plot

Compared with plain når (when), først når adds a stronger sense of this happens only after that condition is met.

This is because Danish main clauses follow the V2 rule: the finite verb must come in the second position.

The sentence begins with the subordinate clause:

• Først når mødelederen har opsummeret handlingen

Because that whole clause comes first, the main clause must invert:

• læser læsekredsen boganmeldelsen

So:

• normal order: Læsekredsen læser boganmeldelsen
• after a fronted element: Først når ..., læser læsekredsen boganmeldelsen

This is very common in Danish and often surprises English speakers.

Har opsummeret is the present perfect.

It is used here because the summarizing must be completed before the next action happens. The idea is:

1. the chairperson summarizes the plot
2. after that, the book club reads the review

So Danish uses:

• har opsummeret = has summarized

This highlights completion. If you said opsummerer, it would not express the same clear finished-before-the-next-step meaning.

It can work as a general rule or as a future arrangement, depending on context.

Danish often uses the present tense where English might use future wording.

So this could mean something like:

• As a rule, the book club reads the review only after the chairperson has summarized the plot
• or At the meeting, the book club will read the review only after the chairperson has summarized the plot

That is normal in Danish.

Because Danish usually adds the definite article to the end of the noun.

Examples:

• mødeleder = chairperson / meeting leader

• mødelederen = the chairperson

• handling = plot / action

• handlingen = the plot

• læsekreds = reading group / book club

• læsekredsen = the book club

• boganmeldelse = book review
• boganmeldelsen = the book review

So instead of a separate word like English the, Danish often uses a suffix.

Literally, handling can mean action, but in contexts involving books, films, or stories, it often means plot or storyline.

So here opsummeret handlingen is best understood as:

• summarized the plot
• or summarized the story

A native English speaker might expect action, but plot is the more natural meaning in this sentence.

They are mostly compound nouns, which are very common in Danish.

Breakdowns:

• mødeleder-en

  • møde = meeting
  • leder = leader
  • -en = the
  • so: the meeting leader / the chairperson

• læsekreds-en

  • læse = read / reading
  • kreds = circle/group
  • -en = the
  • so: the reading group / the book club

• boganmeldelse-n

  • bog = book
  • anmeldelse = review
  • -n / -en = the
  • so: the book review

Learning to spot the parts inside compounds is a big help in reading Danish.

Because in Danish, the definite article is usually attached to the noun itself.

So:

• the chairperson = mødelederen
• the plot = handlingen
• the book club = læsekredsen
• the review = boganmeldelsen

English uses a separate word; Danish often uses an ending.

A separate definite word like den/det/de is mainly used in other structures, for example with adjectives:

• den spændende bog = the exciting book

But here there are no adjectives, so the suffix form is used.

The comma separates the subordinate clause from the main clause.

Structure:

• subordinate clause: Først når mødelederen har opsummeret handlingen
• main clause: læser læsekredsen boganmeldelsen

So the comma helps show where the first clause ends and the main clause begins.

This is especially useful in a sentence like this, where the main clause also has inverted word order.

Yes, but the meaning changes slightly.

• Når mødelederen har opsummeret handlingen ... = When the chairperson has summarized the plot ...
• Først når mødelederen har opsummeret handlingen ... = Only when / not until the chairperson has summarized the plot ...

So without først, the sentence is more neutral.
With først, it emphasizes that the second action must wait until the first one is completed.