Waking to find himself alone with a murdered woman, Eddie Carter - a night shift cab driver with a worrying history of sleepwalking - sets out to discover the killer, desperately hoping it isn't him. His investigation takes him deep into London's seedy night-time underworld.
Sasha is a young vampire with a serious problem: she's too sensitive to kill. When her exasperated parents cut off her blood supply, Sasha's life is in jeopardy. Luckily, she meets Paul, a lonely teenager with suicidal tendencies who is willing to give his life to save hers. But their friendly agreement soon becomes a nocturnal quest to fulfill Paul's last wishes before day breaks.