DUAL Recently diagnosed with a rare and incurable disease, Sarah is unsure how to process the news. To help ease her friends’ and family’s impending loss, she is encouraged to participate in a simple futuristic cloning procedure called “Replacement,” after which Sarah’s last days will be spent teaching the clone how to live on as Sarah once she’s gone. But while it takes only an hour for a clone to be made, things become significantly more challenging when that double is no longer wanted.