The phrase "dark turn" means that something has suddenly become more serious, dangerous, or negative. It typically refers to a shift in a story, situation, or behavior that takes a pessimistic or harmful direction.
Sentences with «dark turn»
A number of films present tales of good kids taking dark turns. (awardscircuit.com)
As the truth emerges, the reunion takes a much darker turn when a promise from their past is brought to light. (collider.com)
That is, until the plot starts taking a much darker turn in the second half. (snackbar-games.com)