01: Two hearts, one void

Lee Yuri and Park Sunghoon's marriage was nothing more than a business arrangement-two strangers tied by convenience. With their divorce looming, both are ready to walk away from an empty relationship.

But when an accident changes everything, buried emotions rise to the surface. In the aftermath, they must confront the truth:

was their marriage truly loveless, or was love hidden beneath the silence all along?

Inspired from "When the phone rings"