Heartstrings

When Jisung and Lee Know are unexpectedly brought together on a popular reality show, they're forced to face the shadows of a past they thought they'd left behind. Once inseparable, their relationship ended under the weight of unspoken truths, leaving a lingering tension neither of them expected to revisit.

Now, with cameras watching and emotions running high, they must navigate through challenges that push them to confront what they've lost-and what could still be waiting between them. As their journey unfolds, both on and off-screen, Jisung and Lee Know find themselves questioning what is real and what is simply for show.

In a story of hidden desires, complicated pasts, and unspoken promises, Heartstrings may be the key to unlocking more than just their broken relationship-it might reveal something neither of them was ready to face.