Bad Genius: The Series S01E04 - Episode 4

Grace and Pat's relationship isn't as sweet as before. Pat starts to notice that Grace is distancing herself from him. At the same time, Lin decides to cheat the exams for the last time. Also, she has a new answer-passing trick which allows her to distribute the answers to the whole class and beyond. However, this trick takes a turn when someone finds out about this exam-cheating operation.