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.

Thibaut, 40, raises his 7-year-old son, Gabriel, whom he adopted in Africa, alone. Faced with the crisis his son is going through, he decides to return with him to Senegal in search of the biological mother, Yawa, whom he once knew.