The 1970s and 1980s witnessed a significant shift in the film industry with the introduction of home video technology, such as VHS and Betamax. This allowed people to watch movies in the comfort of their own homes, revolutionizing the way people consumed films. The home video market expanded, and video rental stores became a staple in many neighborhoods.

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Played by Lee Da-hee, she is a fierce crime detective determined to find out the truth behind her parents' mysterious disappearance when she was a child. Her path intersects with Ji Oh, and they form a complex alliance.