Bad Genius: The Series S01E05 - Episode 5

Bank is very disappointed when he finds out that Lin was the one who gave away the answers. The flourishing relationship between them is now ruined.  Meanwhile, the headmistress calls Lin and Bank in to find out who is the mastermind of the exam-cheating operation. The relationship between Pat and Grace also goes down the hill because Pat figures out why Grace is not the same anymore.