In the fourth series of Camilla Läckberg's riveting drama, the fallout from an assassination attempt unravels a web of secrets, as personal crises and hidden illnesses threaten to shatter lives amidst the backdrop of a beach hotel in turmoil.
Lovisa's evil act cast a shadow over Saltsjövik; Werner questions the investigation; a fierce dispute develops in the Strandhotel's kitchen due to the new regime; Julie handles witnessing Rebecka's secret meeting with Oscar.
A new hire stirs up mixed feelings; additional information fuels Hanna's investigation; Sebastian and Lovisa plan a dinner with Julie and Aksel, where more secrets are disclosed; Rebecka attempts to deal with her feelings for Aksel.
Lovisa is under more pressure as new evidence emerges; Sebastian is offered a dangerous way out of his debt; Marianne gets news that changes everything for her future; Svante attempts to adjust to his new resident, Lilja.
Oskar makes a surprising offer to Werner and uncovers a truth that raises suspicion within the hotel; Julie's schemes for Mistral's future clash with Aksel's secret agenda; Sebastian receives shocking information; Lovisa's stress complicates things.
Werner is pressured to take tough decisions that reveal a long-hidden secret; Hanna's exclusion from the investigation prompts her to make a frantic collaboration; a shocking discovery is made at the hotel.
An unexpected guest arrives at Lovisa's bachelorette party; Lilja accepts the consequences of her actions; Konrad discloses the issues in his past that brought him to Saltsjövik; Hanna makes a bizarre discovery.
Sebastian and Lovisa will soon tie the knot; Hanna races against time to find the final piece of evidence; Rebecka pressurises Aksel, which results in a tragic mistake; Werner makes an effort to soothe his uneasy emotions.
Lovisa's real identity sends shockwaves through Saltsjövik; a hidden settlement becomes a nightmare for Werner; Tone puts intense pressure on Rebecka; Julie's world turns upside down.