Scarlett finds a way to make her new job work around The Mill. Gifford makes Emma realise her hard work isn’t going unnoticed, and Luca realises a neighbour could help his patient.

It is Kirsty Millar’s first day, and she makes an impression on the staff. Luca helps Karen finally put the heart attack behind her, and Sid has to deal with a patient who thinks she is possessed by the devil.

Daniel and Zara struggle to find cover at The Mill, while Ollie has changed his mind about the army. Jimmi counsels a mother who has to come to terms with her son being a murderer.

Ollie is sent to the army. Kirsty breaks up with Rich, but he is still hopeful. Scarlett asks Zara for an advance, and Ruhma helps a mother understand the perspective of her daughter being a surrogate.

Zara suggests giving up her partnership, leaving Daniel shocked. Scarlett and Brian go to a food bank. Emma gets the right help for a mother who finds out her daughter has been cutting herself.

Scarlett and Kirsty rub each other up the wrong way. Daniel and Zara keep it a secret that they are set on giving up their partnerships. Luca has a crush on Jamie. Bear encourages two members of the digital literacy group to work together.

Scarlett and Kirsty have to deal with a computer engineer, while Daniel and Zara put their plans for the future to Bear. Al has to deal with a patient who seems to focus on everything except herself.

Zara and Emma’s night out takes more than one unexpected turn. Scarlett gets an offer that she has to consider, while Luca and Jamie go on a first date.

Rob decides to take the lead in Karen’s new exercise regime, Sid discovers Scarlett’s secret, and Daniel has difficult decisions to make when dealing with a family in crisis.

Karen returns to work and meets Kirsty, Scarlett’s day takes a turn for the worst, and Rob steps in when an arrest starts to look wrong.

Scarlett gets annoyed at everyone checking up on her, Ruhma confronts Kirsty, and Bear gets embroiled in a family feud.

Rob manages to get Karen out and about, but all is not as it seems. Brian comes to a decision, but can he tell Scarlett? Emma gets an unexpected request while hosting her radio show.

Karen’s determination to stay calm and positive hits a snag in the form of Al. Scarlett struggles with Brian’s decision to leave.

Luca returns to face Jamie. Scarlett’s plans to get the better of her landlady nearly fall at the first hurdle. When a young man accuses a well-known businessman of sexual assault, Rob finds himself battling powerful forces, intent on scuppering his investigation.

Karen’s new exercise regime causes a stir at the Mill, while Scarlett’s plan to do a runner is jeopardised by a call from the landlady. Fearing that her widowed mother is going off the rails, a woman turns to Jimmi for help – but what is really going on?

Scarlett discovers that some problems don’t go away, but at least she has friends. Emma meets a brave mother who is struggling to escape her abusive husband.

When Rich and Kirsty receive an unexpected visitor, Rich decides to have some fun. Luca is nervous about seeing Jamie again, and Ruhma is on hand at a community event for a miscarriage support group, where the young couple who have helped to organise it find themselves needing support.

Daniel and Zara attend a very unusual party where they are caught up in the tensions between a patient, his new partner and his ex-wife.

There are multiple casualties when an explosion rips through a medical conference, but what caused it and which of the Mill staff are caught up in the carnage?

Zara deals with the aftermath of the explosion, while Daniel tries to get everyone to speak to a counsellor, with varying results. Rob and Jimmi help a police officer who was part of the rescue team in the explosion, but all is not what it seems.

Rob struggles to adjust to living with Scarlett, Emma challenges Luca to cook a meal, and Bear is caught between two old friends whose marriage is breaking down.

Daniel and Zara throw Joe a birthday party. Ruhma and Scarlett are confused by Kirsty’s living arrangements with Rich. Sid and an agency nurse clash in a number of unexpected ways.

Kirsty and Rich come to an understanding, Rob treats Karen to a special night, and Emma encourages Luca to talk to Jamie. Ruhma goes on a blind date, meeting an interesting man, but is he all he appears to be?

Ollie comes home from the army with a surprise, while Nina arrives at the Mill and makes her mark. Scarlett is asked out by a former work colleague, but he is being coached on how to seduce her.

Nina wants to join the Mill as a partner, Kirsty and Rich have to tell Ollie the truth, and Al is recruited by a true crime podcaster to help solve a mystery.