To celebrate the release of the upcoming Irish mystery/drama Cellar Door, we are giving you the chance to win tickets to a special preview screening.

Cellar Door from director Viko Nikci tells the story of young lover Aidie (Karan Hassan) as she searches for her son while in the grip of the Church.

But as she gets closer to the truth, she suffers uncontrollable shifts in time and place that send her spiralling.

Something is forcing Aidie to relive the moments that led to her being institutionalised. Aidie must work out the mystery, break free from the cycle and find her son...

A special gala screening for Cellar Door will take place on January 16 in Dublin's Cineworld with director Jim Sheridan introducing the film and with director Viko Nikci and cast in attendance. We have five pairs of tickets to giveaway to the event.

To be in with a chance to win a pair of tickets to see the movie before everyone else, all you have to do is send the answer to the following question to entertainmentonline@rte.ie with 'Cellar Door' in the subject line.

Question: Who plays leading character Aidie in Cellar Door?

Cellar Door is released in select cinemas on January 25. Cert 15A.

Closing date for entries is Friday, January 11 at 10.00am. Winners will be contacted via email. Standard RTÉ competition terms and conditions apply, a copy of which is viewable here. Entrants must be over 18.