Deadly Illusions offered an interesting premise echoing Shirley, but ultimately didn't succeed because of problems with how it was made, several issues in the plot, and a blurring of what’s real and imagined that lessened the importance of the central narrative. Though the visuals, camera angles, and music are good, lackluster performances—particularly Mary’s relentlessly upbeat characterization—and uneven storytelling hurt the film's overall effect. Even with its promise, the movie suffers from superficial conversations and a missing sense of direction, which results in viewers feeling let down and wanting a more solid, well-defined thriller experience.

Source on TMDB