Adapted from Paula Hawkins' novel - an international phenomenon selling over twenty million copies worldwide - this gripping new play will keep you guessing until the final moment.

Rachel Watson longs for a different life. Her only escape is the perfect couple she watches through the train window every day, happy and in love. Or so it appears. When Rachel learns that the woman she's been secretly watching has suddenly disappeared, she finds herself as a witness and even a suspect in a thrilling mystery.

Rachel Wagstaff's adaptation of Sebastian Faulks' bestselling novel Birdsong was staged at the Comedy Theatre, West End, 2010-11, directed by Sir Trevor Nunn. Rachel's first play, The Soldier, was staged at the Edinburgh Festival in 2004, receiving five star reviews. Her second play, Night Sky, was staged at the Old Vic, for Index on Censorship. Rachel adapted Sebastian Faulks' The Girl at the Lion d'Or for a five part series for Radio Four. Her play for Y Touring, Full Time, toured Britain in 2008 and 2009. Only the Brave, a musical for which she has written the book, was staged at the Edinburgh Festival in 2008, and the musical, Moonshadow, which she co-wrote with Yusuf Islam (Cat Stevens) was previewed at the Royal Albert Hall in 2010.

Duncan Abel is a writer of plays, radio plays and short stories. He lectured in Creative Writing at the University of Hertfordshire from 2014 to 2015. Duncan was shortlisted for the 2010 Luke Bitmead Award, for his novel The Way Home. He is currently under commission, with Rachel Wagstaff, to Original Theatre Company.