In the beginning, April had just moved in with her grandma in the Casa Rosada for a while. Her mother, Dorothea was going ton tour.
April then meets Melanie and Marshall who also lived in her building. They then became very close friends.
One day, April, Melanie, and Marshall found a hole in a fence that lead to an abandoned yard (spooky) that had been turned into "Egypt." And met a girl named Elizabeth a couple weeks later.
On Halloween, the Egypt gang decided to go back to Egypt and a few minutes after they got there Toby and Ken found out about Egypt.
One night, April was babysitting Marshall and realized that she forgot her notebook. She took Marshall to get it with her until she got attacked.
The Professor called for help then Marshall identifies the murderer/attacker Mr. Schimtt. On Christmas, the Professor told the Egypt gang to meet him in his shop and gives them keys so they can continue their game.