Gyeo Ul's birthday is forgotten by her husband and his family, whom she has lived with since marrying Yu Jin; feeling the pressure to have a baby from her mother-in-law, she stops taking her medication for her bronchial condition.

Gyeo Ul is looking forward to her upcoming trip to a resort with Yu Jin, but she is unaware that Ae Ra, who she trusts the most, will also be there; Tae Yang is unable to forgive himself for hurting someone and is experiencing great emotional pain.

A pickpocket steals Young Ran's wallet at the mall, and she blames Tae Yang; she learns he has a rap sheet and becomes more convinced of his guilt; Gyeo Ul tries to explain the truth, but Young Ran lashes out at her.

Gyeo Ul traces the earring back to Yu Jin and confronts him and Ae Ra; they lie to her, but she catches a clue about Ae Ra's weekend plans that raises her doubts; Tae Yang tells his family he wants to go back to the sea.