Heartbroken and disillusioned, junior doctor Ruby Walker ditches her life in the UK for a fresh start, but when she arrives at the Good Karma Hospital, nothing is quite what she expected - not least her eccentric new boss.
The full moon spells trouble when a mystery Adonis washes up on the shore. As the team race against the clock to treat a local snake catcher whose luck may finally have run out, tensions mount when new girl Ruby questions Gabriel's professional conduct.
As Holi festival fever hits the Good Karma Hospital, an abandoned baby strikes a personal chord with Ruby. Lydia is reacquainted with an ageing ex-pat artist, whose alternative life choices may be about to catch up with him.
On the day that he is attending a lavish Indian wedding, Ram clashes with Lydia when a medical case becomes personal. As Ruby treats a patient from the UK whose story does not quite add up, she is left questioning where she truly belongs.
Lydia and Ruby visit a convent to make a seemingly miraculous diagnosis. Then Lydia's interference in the destiny of a young nun backfires - bringing her to blows with Ruby. Maggie and Paul join local pilgrims trekking through the jungle - but is Maggie searching for her own miracle?
As the first monsoon rains arrive, tensions run high between Lydia and Ruby - leading Ruby to make a shock decision. Maggie's health is rapidly declining and her daughter Debbie insists on returning to the UK. Will Maggie be granted her dying wish to stay in India?
Ruby faces new challenges as a blistering heatwave hits Kerala. Lydia decides Ruby is ready for her first solo night shift, but when a storm hits Barco, Ruby faces an agonising test that stretches her medical skills to the limit.
Lydia discovers a former patient is in the care of a herbal doctor and she’s determined to win back her patient’s trust. Ruby and Gabriel treat a patient with a mystery condition and Gabriel reveals something of his past.
Gabriel joins Ruby on an outreach programme to a tea plantation but he discovers that Ruby hasn’t been open about her motive for the trip. Lydia attempts to help a patient who she suspects may be a victim of domestic abuse.
Ruby is still reeling from her discoveries at the tea plantation and must decide if she can forgive past mistakes. Mari goes head to head with Lydia when a surrogate mother gives birth in the hospital.
A building collapses in Barco and the team are stretched to the limit. Ruby’s objectivity is put to the test when she discovers a secret about one of her patients and Ram cares for a patient whose husband is missing.
Ruby and Gabriel intervene in a dispute between two fishermen and Lydia faces a difficult dilemma when her former mentor asks for her help. The team come together for Ram and Mala’s wedding and Ruby and Gabriel have a heart to heart.
After months away with her family, Ruby returns to the hospital for her pregnant sister to give birth. A life and death medical crisis unfolds, forcing Ruby to see where her loyalty lies. Greg gets a surprise family visitor.
A medical train rolls into in town providing miracle surgeries, and carrying a surprise for Gabriel - a glamorous older surgeon from his past. One of the team is viciously attacked, leaving Lydia reeling.
Gabriel and Aisha get closer when they work on a surgery together, threatening Ruby and Gabriel's blossoming relationship. Ruby and Ram fall out over a patient's care and Edmund's search for his lost love hits a dead end.
AJ returns to the hospital keen to impress, Aisha and Lydia come to blows managing Jyoti's case and Greg discovers a shocking secret that Tommy has been hiding.
In the chaos of Diwali, Lydia tries to help a mysterious runaway teenager. Ted's search reveals new surprises about the mark he left on India and Jyoti discharges herself, but is she ready to go home?
When a life and death crisis hits the team's own ranks, Gabriel is forced to face his true feelings. Lydia goes to a difficult personal place to help Jyoti get better. As he prepares to leave India, Ted seeks closure.
Lydia is forced to admit a patient who has the highly contagious Nipah virus when Ruby and new British-Asian doctor Samir Hasan break protocol in the fight to save the girl's life. Return of the medical drama set in a hospital in southern India.
Ruby faces difficult questions when her actions have devastating consequences, while Greg keeps a troubling secret from Lydia and the hospital welcomes a new doctor.
The happy news that Karishma is awake is offset by her loneliness. Samir realises she needs more than medicine to fix her and arranges a little magic. Meanwhile Lydia discovers there's only one answer to Greg's visa problem.
A tragic case leads Samir and Mari to grow closer still. Lydia and Niki are reminded of how testing life can be as Good Karma Hospital doctors and a familiar face returns to Good Karma but will he find the forgiveness he's looking for?
Ruby is shocked with the unexpected arrival of someone from her past who insists on helping care for her father. Can she really be expected to trust again? A misstep teaches Niki the dangers of overconfidence and Lydia is forced to confront her past in the form of her first husband, the charismatic Dr Jules Fonseca.
Lydia and Greg's wedding plans are upset by three emergency admissions. Greg wonders if disappearing to help her patients is a ploy and in truth, Lydia has cold feet. Will they tie the knot?
A look behind the scenes filming the second year of the show
The cast and crew of The Good Karma Hospital discuss the making of season 4.
