In "Sonata for Harp and Bicycle," the moment when William Heron and Daisy meet occurs at what stage on the plot diagram?

Sonata for Harp and Bicycle (Exposition/Background)
It takes place in London, England during Halloween 1950 at a advertising company in Grimes building and the rush of everyone leaving at 5 PM

Sonata for Harp and Bicycle (Rising Action)
Jason questions Ms. Golden about the mystery of Grimes building and she does not answer anything. So he stays in the building after hours to find out himself.

Sonata for Harp and Bicycle (Climax)
Jason sees the ghost of William Heron, Who curses him with the fate of jumping off the fire escape, and is chased out of Grimes building.

Sonata for Harp and Bicycle (Falling Action)
Ms. Golden finally tell Jason of the story of Grimes building and about the love story of the ghosts, Daisy Bell, and William Heron. They make a plan to return to the building the following night to reunite the ghosts and rid Jason of the curse.

Sonata for Harp and Bicycle (Resolution)
Ms. Golden and Jason return to Grimes building that following night, and Daisy but tricking them into entering the same room. They see a bicycle and a harp sitting together with roses and wine. Jason and Ms. Golden jump off the building with a parachute to fulfill the curse on Jason.

Hope this helps!

Pardon me. to answer questions like this, we would have needed more information. for starters, two sentences from the excerpt that came with the question.