However, just then Marc barges in and shoves Radic out the window. Radic quickly gets the upper hand and prepares to kill Sofia, until Sofia reaches a piece of broken mirror and moves to impale Radic's neck with it. As a fight ensues, Marc takes out Radic's men, while Sofia initially holds her own despite her seeming disadvantage. As he went to get coffee in the front office, he realizes she analyzed Marc's wanted poster and makes his way to her apartment. Meanwhile, Detective Mills is watching surveillance of Sofia's visit earlier in the front office and he notices Sofia looking at something. Radic drives to Sofia's apartment with the intent on personally killing her, while Marc rushes to her rescue. When Radic discovers Alexandra's treachery, and orders her to be killed despite the appeal from his sister, Marc leaves Alexandra to die due to her indirect involvement with his unborn child's death. Niall soon passes away while in the hospital. As Detective Mills looks into Sofia's past, it's also discovered that "Sofia" is an alias the real Sofia was Niall's biological daughter who died in infancy, and Niall named Balma "Sofia" after taking her in. Radic leaves the funeral as Sofia is emotionally devastated by these revelations. There, Sofia holds a blade to Radic's throat and he realizes the truth of Sofia's past and motives Radic taunts Sofia by revealing he was in love with her mother, and that he raped her shortly before she gave birth to a daughter Radic implies and is under the impression that Sofia is his biological daughter. Sofia hands Alexandra a copy of the drive in exchange for a private audience with Radic at Veronique's funeral.
Sofia learns that Alexandra is also looking for the USB drive, hoping to use the information to usurp Radic and his operations. In addition to this, it's discovered that Veronique has been planning to expose the truth of her father's crimes, but knew that her days were numbered this was the reason she gave Sofia the USB drive. Niall was a soldier who rescued and protected Sofia for years while she was planning revenge. It's revealed that Sofia's family were once friends with Radic in Bosnia, but Radic betrayed her family and personally led the paramilitaries in the massacre of Sofia's family. Sofia recounts how while she was blind, she had a sister, Balma, who could see but would pretend to be blind for her sister's benefit. As it turns out Sofia has her own vendetta towards Radic, as she confides in her adopted father Niall ( James Cosmo), and gives him the USB drive and reveals that Liquid Gold is the drive's password, which reveals Radic's assets and his criminal operations. This in turn leads to an affair between Marc and Sofia. Sofia spends some time with Marc and learns of his and Veronique's affair, and he explains to her that Veronique committed suicide out of paranoia. Marc rescues Sofia from a rape attempt and later saves her from an attempted kidnapping and torture. Radic forms a fixation on Sofia for her connection to Veronique, and Sofia ends up having to dodge police questions and Radic's men looking over Veronique's apartment.
Radic's head of security Alexandra Gordon ( Joely Richardson) and her brother Marc ( Ed Skrein) have a discreet conversation and it is revealed that Veronique was twelve weeks pregnant and that Marc was sent to kill her it is also revealed that Marc was having an affair with her and is likely the father of her child. Later at an event hosted by Radic, Sofia performs and overhears Radic and his associates discussing the circumstances of Veronique's death, in the process revealing that he was the one behind it.
Despite this, Sofia denies witnessing anything to the police Detective Mills ( Neil Maskell), while discreetly holding the USB drive. One night, Sofia overhears a struggle occurring in Veronique's room and witnesses Veronique fall to her death. During a discussion in an elevator, Veronique slips Sofia a USB drive and tells her that the perfume is Liquid Gold. Despite the controversy surrounding Veronique's family, Sofia appears to have an amicable relationship with her, although lately has been noticing something wrong with her. Her neighbor is Veronique ( Emily Ratajkowski), the daughter of Serbian philanthropist Zoran Radic ( Jan Bijvoet), who has committed war crimes during the Bosnian War, and currently suspected of running criminal organizations. Sofia McKendrick ( Natalie Dormer) is a blind pianist who lives in an apartment in London, and is haunted by the murder of her family by Serbian paramilitaries.