First of all, Marie and Jen are supposed to attend a concert together one night. But Marie had decided to change the plan instead of telling Jen. Marie went to a secret subway all by herself. Marie is a kind of a playful girl. She likes to go and explore dangerous places alone. She wants to be the first one to explore the place and the first one to discover what is going on at the secret location. On the other hand, Marie wants to seek attention from Jen. She texted Jen to taunt her and also revealed to Jen of her where about and what she is doing under the subway. Even though Jen had messaged Marie and warned her not to go to the mysteriously dangerous place. However, Marie decided to shrug off her warning and continued her journey. Jen gave up on persuading Marie and went to the concert alone. In the whole process, she did still message Marie because she was very concern about her journey. Marie did not feel any sense of afraid when she is going deeper and deeper under the subway. She was a rather stubborn person to have explored the secret location even though she heard some noises in a room of the subway. But she still continued her journey and opened the door.
From the story, we gathered the information that the whole situation revolves around the stubbornness of Marie in her pursuit of dangerous excitement as this becomes the primary cause of the incident that happened afterwards. We also know that the location Marie