Liar introduces Laura Nielson (Joanne Froggatt) a bright and dedicated teacher, and Andrew Earlham (Ioan Gruffudd), a renowned surgeon whose son is a student at Laura's school. After a seemingly innocent date, a series of volatile accusations capsize their lives. Secrets and lies slowly unravel in a tense and gripping series where everyone is lying in some way until the truth ultimately reveals itself.
“Liar is a tangle of trigger alerts, filled with "Fatal Attraction”-ish moments of doubt and debate in a claustrophobically small community of subplots."
- Washington Post
“It certainly sets up enough questions to make the viewer want to tune into the next episode to see what unfolds.”
- AV Club
“It was slick, layered and, in being centred on two people's wildly different recollections of sexual intercourse, did a deft job in keeping us stumped as to whose version is correct.”