ITV has ordered a new “compelling emotional thriller” from the creators of The Missing and One of Us.

Liar is the first ITV commission for BAFTA- and Golden Globe-nominated producers and screenwriters Harry and Jack Williams.

The six-part series will star Joanne Froggatt (Downton Abbey) and Ioan Gruffudd (Hornblower).

The Williams brothers commented: “This story deals with highly emotional and important subject matter, exploring modern issues of gender politics through the lens of a character-driven emotional thriller. We couldn’t be happier with the calibre of the team we have working on this.”

The official synopsis reads: “Laura (Froggatt) is a smart and dedicated teacher, not long out of a relationship and unsure about getting back on the dating scene.  Andrew (Gruffudd) is a renowned surgeon whose son is a pupil at Laura’s school.  An initial attraction leads to a date, but neither fully realises the far-reaching consequences that their meeting will have on each other or their families.  Truth and consequences go hand in hand in a tense and gripping thriller that examines both sides of a relationship and both sides of the truth. Are there really two sides to every story?”

ITV’s new Head of Drama, Polly Hill said:  “I am so delighted to have arrived at ITV and to be working with Jack and Harry Williams on Liar. They are brilliant storytellers, who have written a gripping thriller that doesn’t shy away from exploring a powerful subject. I’m thrilled we’ve commissioned Liar for ITV and secured such a terrific cast.”

Liar will begin filming in London and Kent in November.

The second season of The Missing begins next Wednesday on BBC One.

Are you looking forward to Liar? Let us know below…