Merge follows Ari, a young woman in her 20's who decides to step outside of her comfort zone through an acting class. While there, she meets an interesting group of students led by their enigmatic teacher, Joy, who challenges Ari to harness her deepest fears in order to peak vulnerability in performance. Through an exercise with a self-assured partner named Nicholas, Ari is forced to lean into the unconventional teaching methods of the class, and her initial disbelief in the process transforms into a love for power and honesty.