BBC One Scotland will have this episode - Tuesday 07 January 2020 - at 22:35.
Devised by Paul Unwin / Jeremy Brock
Devised by Tony McHale / Mal Young
Written by Patrick Homes
Directed by Jan Bauer
Series Producer: Jane Wallbank
Series Producer: Chris Clenshaw
Executive Producer: Simon Harper
Jac Naylor is discharged from the psychiatric unit, having made progress with her recovery - so is able to help a troubled Kian as he battles demons of his own.
Max encounters a face from the past and is blackmailed into performing a dangerous surgery - if she refuses, her most painful secrets will be revealed to the world.
When a defeated Kian finds himself in a dark place, will Jac be able to pull him back from the edge?
A past acquaintance puts Max in a compromising position.
Alex Walkinshaw as Adrian "Fletch" Fletcher
Darcey Burke as Emma Naylor-Maconie
Jaye Jacobs as Donna Jackson
Catherine Russell as Serena Campbell
Hugh Quarshie as Ric Griffin
Belinda Owusu as Nicky McKendrick
Jo Martin as Max McGerry
Marcus Griffiths as Xavier "Zav" Duval
Ramin Karimloo as Kian Madani
Carmen Munroe as Dr. Alison Nelsson
Tom Xander as Ricus De Souza
James Quinn as Jeremy Purnell