Hei and Suo attempt to flee Russia, but their escape efforts are hindered by Contractors and gun-toting soldiers. As the body count rises, Suo finds herself undergoing a shocking metamorphosis.

Suo and July find themselves in a dangerous situation thanks to a double-crossing supposed ally. Later, when the young pair is abducted by an especially sinister Contractor, BK-201 must spring into action.

Suo encounters someone she thought was dead and learns the truth behind the mysteries of her past. Unfortunately, the meeting is cut short when several Contractors launch an attack.