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Grey’s a stay-at-home mechanic, who’s wife is Asha. One day, Grey asks Asha to help him return a car to his client. Whilst Grey and Asha’s self-driving car malfunctions, it crashes. Grey watches helplessly as Asha bleeds to death next to him. Grey returns home – a widowed quadriplegic, under the care of his mother. His wife”s death and the inability of police to identify their attackers cause him to sink into a depression. After a suicide attempt, he’s offered to have high tech chip implanted – enabling him to walk. Though initially hesitant, he’s persuaded to have the surgery..