How to Get to Heaven from Belfast

Desperate to outrun Booker, the three friends scramble around St Patrick's Day Dublin. After Andrew's bombshell, Liam has a bone to pick with Saoirse.

Already in a tight spot, a confession ratchets up the tension between Robyn, Saoirse, and Dara. An exasperated Booker gets back on the box's trail.

Booker, Feeney and the Midwife receive a summons to Derry. At a Belfast police station, risky gambits, surprise reunions and smoke breaks transpire.

Having come this far, Saoirse, Dara and Robyn know there's no going back. Will they finally uncover the terrifying truth ... and manage to stay alive?