Season 3, episode 5: Emily catches Camille making out with Sofia, and isn't sure whether or not she should tell Gabriel.
Season 3, episode 4: Camille flirts with artist Sofia.
Season 3, episode 3: Camille confides in Emily that she and Gabriel have been in a rut since moving in together.
Season 3, episode 2: Emily finds out that Alfie has not left Paris for London as planned, and serenades him with the song “Alfie,” so he takes her back.
Season 3, episode 1: Emily takes too long to decide what she wants, and Alfie dumps her.
Season 2
Season 2, episode 10: Alfie reveals that he has to move back to London, and Emily has to choose between going back to Chicago and staying in Paris. She confesses her feelings to Gabriel but, whoops, he's back together with Camille.
Season 2, episode 9: Alfie finds out Emily and Gabriel used to hook up, and it strains but doesn't break his bond with Emily.
Season 2, episode 8: Gabriel and Alfie become friends, though Gabriel thinks Alfie is the (only) reason he's not with Emily and isn't a fan of their relationship. Emily goes to the chateau for work, and sees that Camille's mother Louise is trying to get Camille and Gabriel back together, which Emily has mixed feelings about.
Season 2, episode 6: The three actually get along as friends, and Emily decides to go for it with Alfie.