Ketchup to your mustard

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On a road trip, Marina, a teen adult, is driving her younger yet more mature sister, Eleni, to her new home. Marina freaks out at the idea of parting with her sister. She is obviously unready, it’s the end of their era! So she comes up with a lie in order to delay the inevitable, but in the end she pisses Eleni off. A squabble breaks out between them, sparking off a frank sisterly talk.