Chatty teenager Marina accidentally knocks down Austin, a boy suffering from aphasia. Her non‑stop chatter pries open his heart, which had been shut away by trauma.Eighteen years later, her younger sister Bella steals Marina’s identity and tricks Austin into an engagement. Left with no choice, Marina gets a job at his company as a cleaner. Thanks to her gift for languages, she becomes Austin’s personal interpreter.Austin slowly falls for the woman beside him while growing suspicious of his fiancée’s true identity. In the end, he teams up with Marina to expose the imposter, and the two find their happy ending.