I Play the Maid, I Rule in BloodEP 60

Emma reaches out to Joanna Wells, revealing her vulnerability and gratitude for Joanna's help, while also hinting at the danger Nathan poses. A mysterious figure, Eric Shaw, appears, claiming to rescue Emma, leading to a tense confrontation as Nathan arrives, complicating the situation further.Who is Eric Shaw, and what does his sudden appearance mean for Joanna's plans?