Complex sentence: When Daria & Jane visit the store Andrea is deeply fearful that they will discover her employment, and "cut her up" mercilessly, but is pleasantly surprised once the intimidating pair assure her that they understand her position.
Split into simpler sentences: When Daria & Jane visit the store where Andrea works, she is deeply fearful that they will discover her employment, and "cut her up" mercilessly. She is pleasantly surprised once the intimidating pair assure her that they understand her position.