The phrase "a dramatic turn in" is correct and usable in written English.
It can be used to describe a significant change or shift in a situation, event, or narrative.
Example: "The story took a dramatic turn in the final chapter, leaving readers in shock."
Alternatives: "a significant shift in" or "a pivotal change in".
A year ago, the government announced a dramatic turn in its energy policy, vowing to make the densely populated nation nuclear-free by the 2030s.
Nevada's reversal of net metering fees for solar owners marks a dramatic turn in the fight over solar policies.
In the yellow zones, the game takes quite a dramatic turn in terms of how you play it.
With inventory hitting new lows, the housing market in New York City has taken a dramatic turn in favor of sellers.
White House officials are determined to present the surge as a dramatic turn in the war — as if the war could still be won.
In addition, barring a dramatic turn in the controversy over her State Department email, there isn't much reason to think Clinton will struggle in the fall.
However, Eric's life took a dramatic turn when in his early twenties, while on vacation in Hawaii, he fell from a cliff and severely injured his neck.
The attack on Clemenceau was mounted in the powerful daily newspaper, Le Petit Journal; it took a dramatic turn when, in the Chamber of Deputies on December 20 , 1892 the author and Boulangist Paul Déroulède denounced him as the protégé and supporter of Herz.
Goldberg's teacher hates violence but refuses to "stand aside and let others fight". Sarafina ultimately takes part in the burning of a black informer--a dramatic turning point in her life.
This may be the most reasonable explanation for a dramatic turn of events in the Best Actress category.
"What a dramatic turn," he said in an interview Thursday, adding, "These news stories have really shaken the confidence of American families in toys".
