Based on Robin Hardy’s original 2006 novel Cowboys for Christ, The Wicker Tree focuses on a pop star from Texas, USA, who has become a new born gospel singer.

Beth and her boyfriend, Steve played by Brittania Nicol and Henry Garrett respectively, now both devout believers and evangelical Christians are sent from the church of Cowboys for Christ, on a mission to the people of Scotland to spread the word of God.

Steve and Beth decide that in order to try and impress the locals they will begin their preaching at the Scottish celebrations for May Day. Unwittingly they agree to becoming the May Day Laddie and Queen, where events take a turn for the worst.