After a failed attempt to connect with his son, Andrés confronts an entity that feeds from his loneliness.

Ahmet is a young man struggling with inner conflicts and loneliness; while planning to end his life, a potted flower and his memories accompany him in his search for meaning. At the same time, Umay, reading a book that uncovers secrets about her mother's past, receives Ahmet's letter. This letter takes Umay on a profound journey of reflection and establishes an unexpected connection between two different lives.

Kei works at a cocktail bar, while Ai works as a model. Fearing she'll be ostracized by society, Kei chooses not to admit her sexual orientation to anyone, and, as a result, she becomes distressed and lonely. One day, Kei gets close to Naima, an Iranian student studying art in Japan.

In the late 1940s, a murderous couple known as the 'The Lonely Hearts Killers' kills close to a dozen people. Two detectives try to nab the duo who find their targets via the personals in the paper.

A lighthouse keeper is confronted with the uncertainty of the world around him, with loss, and with his own mortality. In his final moments, he embraces his destiny.

A veteran high school teacher befriends a younger art teacher, who is having an affair with one of her 15-year-old students. However, her intentions with this new "friend" also go well beyond platonic friendship.

A young actor plays a rude, obnoxious, know-it-all in a film who, after losing her job, sets out to 'teach the world a lesson.'

An almost bombproof method of staying single is called "speed dating". 18 people participate in such an event. Nine men and nine women are sitting opposite each other in order to sell optimally under the pressure of time and to find a partner. They are looking for a date - and have nothing else in common. They talk about allergies, cappuccino, consumer behavior, buses and designer clothes: the list of serious embarrassments is long. Yet none of the lonely hearts has given up the hope of romance.