Responses
Problem is, she is not a stranger. Chase knows her as Keith Pittman's seretary Emma Bailey. So in addition of their looks they share the same family name. Spoiler
.
.
.
.
.
.
.
.
And Chase remembers that her last name is Bailey, when Josh tells him that they are siblings.^^
some couples really do look like siblings in real life so i think i understand why he would think they’re a couple