In the conclusion to the first episode, Adam and the gang get out of the shopping center however he goes back for Heather. He finds her and they set out to get out. Jeff and Lee (the security guard) go in and find them but the roof collapses on Adam, Heather, Lee and the patient. They manage to find the lifts and escape but the lift starts to fall. Adam, the patient and Lee manage to climb up to the exit but Heather, being very slow, is petrified and she screams for Adam to save her. As they both try desperately to reach out for each other, the flaming lift collapses and hits Heather, crushing her and sending her falling to her death as the lift explodes in a fireball that ricochets up the passage, nearly burning Adam. Meanwhile Jessica is frantic and worried about Adam and chaos reigns in the department when the casualties flood in. Adam feels that he has let himself down. (thetvdb.com)