Lower Level - Deathly Fear in the High-Rise: After a hard day at work, young architect Hillary White is picked up in the parking lot by her boyfriend, Craig. Their disagreements culminate in an exciting evening in the empty parking lot. However, as they're about to leave, they discover that the entire high-rise is hermetically sealed off. Craig decides to look for an exit but doesn't return. When Hillary goes looking for him, she's relieved to find the friendly security guard, Sam. At least, that's what she thinks—but things are about to get much worse...