13. Sperm Whales and Spearmint Rhinos

Chaos is set in motion when Danny and Delinda find a hotel guest who appears to have committed suicide. When Delinda investigates further, she suspects murder and dispatches Danny and Ed on a mission to find the killer which places Delinda in jeopardy. Meanwhile, Sam plays host to a tycoon who is obsessed with hygiene and threatens to leave the hotel when a strand of Sam's hair is found on his shirt. Elsewhere , Mike is reunited with his ex-girlfriend from college who has a strange request for him.