Criminal psychologist Cathrin Blake is called to an emergency in the middle of the night: A young woman is threatening to throw herself to her death from a high-rise building. Cathrin knows the disturbed woman – Moon Flynn was in therapy with Cathrin a few years ago for a borderline disorder, but stopped it prematurely.

16-year-old student Moira McKendry, gifted, popular and fun-loving, is found dead after a school party. The fatal head injuries indicate a violent crime. Moira's best friend, the introverted Hanna, was apparently the last person to see Moira alive. But Hanna can't remember anymore.

Life seems to be kind to criminal psychologist Cathrin Blake: a tender love affair has developed from the acquaintance with the charming Matt. Professionally, however, Cathrin faces a tricky case: A year and a half ago, the renowned psychologist Helen Bell disappeared without a trace.

Since the moment they met at age 5, Rosie and Alex have been best friends, facing the highs and lows of growing up side by side. A fleeting shared moment, one missed opportunity, and the decisions that follow send their lives in completely different directions. As each navigates the complexities of life, love, and everything in between, they always find their way back to each other - but is it just friendship, or something more?

In a respectable suburb made up of row houses, Luca Attorre — a freelance journalist who struggles to get his features published in the papers — is unable to maintain Susi, a ballerina reduced to teaching dance to overweight women, and Lucilla, their quiet and imaginative six-year- old daughter who suffers from severe bronchial asthma. They are helped economically by Pierpaolo, Luca’s seventeen-year-old son from a previous relationship. Pierpaolo lives in an Art Nouveau house with his mother and grandfather, an important trial lawyer of cases linked to politics who rakes in several million euros a year. In the setting of a magnificent and incomprehensible Rome, both a good mother and a bad one, Mary Ann, a deeply Catholic student of art history from Ireland, au pair for the little Lucilla, is caught in the middle.

Jenna and Charlie found love in Ireland but their dreams drove them apart. Five years later, they reunite and Jenna has to decide where her heart belongs—back home or in the Emerald Isle.

Cathrin Blake's neighbor Coner O'Neill is found dead. While Superintendent Sean Kelly assumes a natural death - Coner was over 80 - Cathrin is skeptical, as Coner had shown no signs of frailty so far. At the same time, another male body is found, also over 80. It turns out that both men had contact with the exclusive care home "Eden View". Bridget Howard is a very likeable, warm-hearted woman who is devoted to caring for elderly people without families. Kelly is taken in by the older lady's charm, but Cathrin is suspicious of appearances. Then there is another death at Eden View, and Kelly comes across several unsolved missing persons cases - also linked to Bridget's retirement home. Bridget has plausible explanations for all the incidents, but could it all just be a chain of unfortunate circumstances?

Criminal psychologist Cathrin Blake is confronted with a very personal case: Superintendent Sean Kelly, with whom Cathrin is also friends, has to deal with his family history when his nephew Eoin comes to Ireland from his native Australia.

A man with narcissistic personality disorder has barricaded himself inside a pub with several hostages and is threatening to kill them. The hostages’ lives depend on Cathrin and her ability to empathise with people and win their trust.

A brutal femicide has shaken the coastal city of Galway. Criminal psychologist Cathrin Blake, who was personally close to the young victim, is particularly distraught. The dehumanising violence against a defenceless woman challenges Cathrin not only professionally, but also, and above all, emotionally.