Valentina takes over Gibbes' business, and thanks Luc for sorting the problem with the Nigerian dealer. Elsa observes that the drug traffic is continuing to operate. Bianca wonders where her former friends are getting their cash flow from. An injured Lucky seeks to return to the city. Luc and Elsa talk for the first time.
Elsa and Luc suspect that Carla is behind the drug shipment's disappearance. Protesting her innocence, Carla reveals significant information about drug dealings at the "Grand Huit" café, which Luc passes on to Elsa. Grace tells Bianca that Dominik tried to kill her. Bianca demands an explanation from Dominik.
Arthur is found dead, while the drug shipment has disappeared. Lucky is imprisoned by Queen as he represents a risk to the operation. Valentina forces Gibbes to withdraw from the business. Cojucaru is unsuccessful in securing Luc's full release, although he has earned her trust. Luc decides to work for Valentina.
Capitani organises an attack on a Nigerian mafia drug shipment. Cojucaru promises Luc his freedom if the operation is successful and if Arthur is taken into custody. Luc forces Carla to participate in the attack. Lucky asks Bianca for help finding Grace. Elsa suspects that Luc is working undercover.
Luc discovers his former lover Carla Pereira is supplying the Nigerians with drugs. She asks him to leave her alone. Elsa and Toni spend the night together but try to continue working together. Luc seeks assistance from his sister Jeanne, but the siblings' relationship has been rocky since the death of their father. Pascale Cojocaru realises that something is hindering Luc's release.
Capitani reveals he is working as an undercover police officer for Pascale Cojocaru, which enabled him to walk free from prison. Luc and Elsa share information on the murders. Bianca informs Luc of underage prostitutes working at a cabaret club in the city. Lucky struggles to get hold of his sister.
Four years after the events in Manscheid, Luc Capitani is working as a handyman in the station district of Luxembourg City. Until Bianca, a prostitute, hires him to investigate the disappearance of her friend Andrea. The search is cut short when Capitani locates her body in a forest, and the hunt for her killer begins. Meanwhile, Lucky Onu arrives in Luxembourg from Nigeria, to look for his sister.