A gruesome crime has taken place in La Pedrera – Casa Milà: a burned body is found on the facade of Gaudí's iconic building. Inspector Milo Malart, previously suspended for misconduct by the Mossos d'Esquadra (Mossos of the Squadron), returns to Barcelona to find the perpetrator along with Sub-Inspector Rebeca Garrido.

City of Shadows ran for 1 season. No new episodes are scheduled.