<P> Ellie fails the exam the following day, and Blake calls his father in an attempt to free Ellie, but he refuses . Blake causes a diversion and screams at Ellie to run, but she is blocked by students in the hallway and is recaptured . Ellie is executed in the Thinning . </P> <P> One year later, Laina's mother has died and she is helping her younger sister Corrine (Dimitra Leontidou) study for her first Thinning test . Blake has become cold and distant towards his father since Ellie's death . He makes a video explaining that he will purposefully fail his Thinning exam in order to punish his father for what happened to Ellie and to try to get his father to stop supporting The Thinning . Blake drops his tape in the mail, but his father's agents remove it and have it delivered to him personally . The agents are ordered by Dean Redding to pass Blake even though he only received a 15% on the test . Since Blake and Laina finished the test at the same time, so the agents switch Blake's and Laina's score . Laina fails as a result, despite scoring 98%, and Blake passes with a 15% . Another student, Sarah Foster (Ryan Newman), knows that she wouldn't be able to pass the test, so she has sex with her teacher as motivation for him to alter the test . However, her teacher misled her and he isn't able to change her grade . Sarah fails the test and is led away with Laina and the other students to be thinned . </P> <P> The students that pass go to the Recreation Room, having a party while the "failing" students are being thinned . Laina's teacher then watches Sarah's teacher lure another girl into having sex with him . She's aware of what's going on, and steals his keycard when luring him to have sex with her afterschool, but it never happens . </P> <P> Blake causes a power outage in the school, allowing Laina to escape while the school goes under lockdown . News about the events spreads that parents have no information about what has happened to their students . Because of this, Dean Redding has to reassure to the parents that their students are safe . After using a key card given to her by her teacher, Laina meets up with Blake and they explore through the vents to avoid the guards . Blake, disguised as a guard, leaves Laina to go to the Thinning while Laina goes to the server room to check the scores . To her horror, she finds out that test procedures are rigged and have resulted in the wrongful deaths of many students with passing scores, including Ellie . Mason King and the DPC track Laina down to the server room, apprehend her, and then return her to the Thinning . The teacher that had sex with Sarah is also executed for giving Laina his keycard, but Laina's teacher had actually given her key to Laina and stolen his . </P>

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