 Mercedes entered a relationship with Doctor Browning, who had previously paid her for sex, in an attempt to make Riley jealous.Smithwick told Daniel Kilkelly of Digital Spy that she "was nervous about the union of the dark soul mates, Mercy and Browning, but their chemistry is so watchable – that story is pretty dark".Mercedes began to "fall for the charms" of Doctor Browning, believing she had "landed on her feet" when he invited her to a charity ball.