Ep. 1: Rachel despierta con amnesia en un hospital, enfrentando un juego de sacrificio mortal en los pisos del sótano.

After visiting a hospital for counseling, Rachel wakes up in an unfamiliar building with no memory of how she got there. She is told by a voice over an intercom that she will be the "sacrifice" for the inhabitants of the upper floors, and she rides an elevator from her current floor of B7 to B6. On B6, she encounters a insane, bandaged man wielding a scythe and she is barely able to escape to floor B5. On B5, she encounters Danny, who claims to be her doctor. However, it is clear that Danny is insane and obsessed with Rachel's eyes, intending to imprison her in B5. After Danny reveals her parents are dead, the shock seems to trigger Rachel's memories. The scythe wielding man then arrives and kills Danny, and the intercom announces that the man is now the new sacrifice due to violating a rule by leaving his designated floor and attacking an inhabitant of another floor. The man attempts to flee in the elevator but it is sealed. Deciding that she shouldn't be allowed to live, Rachel approaches the man and asks him to kill her. (Source: Wikipedia)

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