Joanna finds an unidentified man dead in a lift in a underground car park after a devastating flood, police assumes that he became trapped as the waters rose, but she is obsessed with discovering what happened to him.

• Sophie Rundle
• Anita Adam Gabay
• Jonas Armstrong
• Daniel Betts
• Jacqueline Boatswain
• Nicholas Gleaves
• Matt Stokoe
• Tripti Tripuraneni