When a man falls 20 stories to his death, and his body goes missing after it hits the ground, with no body to process, the CSI's must treat this strange development as a missing persons case.

Amber Mead, Brian Oblak, Craig T. Nelson, Ian Anthony Dale, Kevin Ko, Laurie Searle, Leith M. Burke, Mykelti Williamson, Nick Warnock, Parisa Fakhri, Thad Luckinbill