City Hunter (1987) : 3x12

On the anniversary of the death of his friend, Robert Harrison, Ryo gets royally drunk and notices a woman watching him. This woman turns out to be Sophie Silverman, who represents an international firm of sweepers. Sophie wishes to tag along with Ryo and Kaori for a few days to witness him in his line of work. On their way to a potential job, the three are attacked by unknown assailants. After warding them off in a warehouse, Ryo finds Sophie pointing Robert Harrison's gun at him.