The "However 4" are fighting hard to pass their test, but Choi Sang Bang is scheming to kick them out. Meanwhile, Lee Eun Ho watches Deok Su closely to check for the golden key, but this makes others start to doubt who Eun Ho really is.

Amidst suspicions about their identities, Eun-ho and Deok-su develop confusing feelings for each other. Meanwhile, Jun-hwa uncovers a great secret.

Deok-su is at risk of getting figured out by the hands of a lecher. Eun-ho manages to save her and her bronze key, setting off Jun-hwa's suspicions.