S7, E1: Effy (Kaya Scodelario) is the central character of Fire. Working as an assistant at a hedge fund in The City, Effy, with a seemingly unwavering energy and drive, works hard to flourish professionally. As she become increasingly addicted to status and to being taken seriously, the risks she takes to get ahead appear more and more extreme. With the illness of her friend as part motivator, part distraction, Effy finds herself playing with fire.