I am going to answer this in my own opinion, if this does not reach you're liking please report my answer.
Explanation:
Kate was subjected to a difficult problem that occurred at an unusually place, while trying to observe the problem she keeps finding difficulties in navigating ways to escape this unescapable forcefield.
As she keeps looking for clues she came up with an idea to use an object to reflect the force to thin it someway into escaping.
IN the end she is filled with guilt until she hears a familiar voice and is relieved to be out of that place.
King Minos demands fourteen Athenian youths each year to pay for his son's life.The princess provides Theseus with a sharp sword and a ball of thread. Theseus slays the Minotaur. Aegeus falls into the sea and drowns