'Jolt' starts off with some great action and social commentary before collapsing into silliness

From childhood, Lindy (Kate Beckinsale) was different to other girls and boys. Thanks to a rare neurological disorder, she has a hair trigger response, whereby once she snaps, she’d attack you with a ferocity and strength you wouldn’t expect of a child. She became a lab rat and was even brought to the military, but in adulthood she finally found a means of controlling her anger with a special electrode device which she shocks herself with upon getting any enraged or murderous impulses. Then she discovers love and normality with Justin (Jai Courteney). But when he is killed, it’ll take a lot more than an electrode device to stop her on her path to vengeance…