The relationship between Alison DiLaurentis and Ezra Fitz is one of the most controversial and layered plotlines in Pretty Little Liars. While Ezra is best known for his romantic relationship with Aria Montgomery, his history with Alison serves as a dark cornerstone of the series' mythology, fundamentally altering the audience's perception of both characters.
"I didn't think you'd actually show up, Alison," Ezra replied, his voice a low rasp. He held a leather-bound journal—the same one he used to document his "research" for his true-crime book. "Rosewood thinks you’re dead. You should be miles away from here." alison and ezra pretty little liars
After Alison’s "resurrection" and return to Rosewood, her dynamic with Ezra shifted from romantic interest to uneasy allies. They shared the burden of knowing too much. Ezra’s guilt over his book and Alison’s trauma from her time on the run created a strange bond between them. The Complex Dynamic of Alison DiLaurentis and Ezra