On one very solemn, painful, tortured hand you feel... and i mean FEEEEEEL if only for the duration of the film what it truly feels to have caused, in the glimpse of an eye however guilty or by wreckless accident, a catastrophically, gruesome, avoidable event/accident/travesty/offense to an unknown family. The pain, the undescribable cancerous pain that eats inside of you for years is beyond dialogue. Her actions after are engaging, relatable, understandable and lead you to hope for something...anything... that alleviates what we, as the audience, are seemingly burdened with. So all this deeply emotional, inescapable sadness to make sense of it is enough in and of itself but just as much involved in the story is the extremely sci-fi aspect. Not just our identical planet coming into view but the discovery that we ourselves, in the present, are on this planet ... living lives. Lives identical to ours? To a point. Backtrack here... Take this girl and this man whose life she forever scarred and damaged as a stranger.... Are their lives as their identical selves up on Earth 2 making the same mistakes or did they make a right and not a left? Did they drive to their friends house for a house party or did they leave the library early and end up missing? But more importantly.... did Rhoda, the main character girl, did she get in the car that night, the same night Earth 2 was spotted in our sky or did she stay the night at the party? It is so much emotional consumption to makes sense of it and married with the would if"s and let's see"s of the sci-fi possibilities that it will take you several days if not more to even begin to realize the impact of this movie and how you really feel about it.