Divorce doesn't have to spell disaster. Even with alternating care, it can be fun. Especially when such quirky characters as ours are involved. Sure, even in One Family, things get rough sometimes, but love always wins in the end. Because more parents mean more love.

A dramatic story of a mother and daughter set in the late 1980s. The film tells the story of Lilian, a young mother whose life has not been easy. She has an intellectual disability and, to make matters worse, suffered a traumatic assault during her adolescence. The relatively idyllic life she shares with Mrs. Holasová, who cares for both Lilian and her young daughter Malvína, is shattered by the death of the eldest member of this three-generation trio of women. Lilian and Malvína’s lives are thus turned upside down literally from one moment to the next.

Tereza is a former prima ballerina at the National Theater who ended her career as a professional dancer after an injury and moved with her husband Petr and seven-year-old daughter Maruška to an abandoned mill in the Broumov region, which she inherited from her grandmother. With dogged determination and limited financial resources, she is renovating the building to create a new home for her family. She earns extra money by running a physical education club at the local school.

Vera has lived a wonderful life with Jindrich, and she is fully determined to fulfill his last wish - running a marathon. The emancipated and spirited mother of three daughters doesn't think that doing so will be a problem. She and her daughters will split up the route into four parts, and they'll overcome the over 42-kilometer-long challenge as a family relay team. Of course, the fact that neither of them has ever ran even a meter poses no problem.

In the house of Líba and Arnošt, preparations for the christening are in full swing, which are to take place exactly according to Líba's detailed plan - including choosing the child's name. However, nothing goes as expected: daughter-in-law Simona secretly chooses a different name, Arnošt gets involved in a "detective" search for lost keys and a supposed theft, while Karel and his friend Richard solve a misunderstanding in a jewelry store. The chaos is compounded by the confused saleswoman Vlastička, who has lost her memory. As the day of the christening approaches, secrets surface, identities become clear, and family relationships are put to the test.

Josef is looking forward to finally fulfilling his old dream of becoming a street clown after retirement. With his charm, he charms even the vigorous Maruška, the owner of the mobile cafe. It's like the two of you have been looking for each other all your life. But isn't it a little late for fateful love? In addition, his daughter Anička and five-year-old Honzík are currently moving into the villa with Josef. She thinks she's done with men for good, but meeting her old love, Pavel, hits her in the heart. A new girl, Evička, joins Honzík in kindergarten. Honzík experiences the feelings associated with love for the first time, he does not fully understand them, so he gathers advice from his mother, grandfather Josef or sympathetic uncle Karel. He also meets love in kindergarten when he falls in love with Honzík's teacher, Eliška. And to add to the rapprochement, Karl's basset Váleček gets along very well with Elišča's basset Šalina.

The stories of three women who know each other, or get to know each other. They are brought together by friendship, a man and a little five-year-old girl. Simona rebuilds her life after she divorces and her son decides to live with his father. Natalie finds love in the form of a widower with a young daughter and a devoted grandmother. And even at retirement age, Eva discovers that her life still includes the love of a partner, not just that of her granddaughter.

Líba has only one birthday wish every year. She insists that the whole family come together for her celebration, which they all always do. That is, until this year's birthday. Her son Petr has other plans for this year, so he pretends to be sick in front of the family. This year, for the first time, he wants to spend his birthday with his friend Karl, who has a birthday on the same day. And Karel is Peter's long-hidden secret for the rest of the family. However, Líba is not going to give up her celebration so easily. She decides to surprise Peter and move in with the whole family. An unexpected visit forces Peter to quickly improvise. In front of your family, turning your friend Karel into a colleague from work and his sister Veronika into your girlfriend is basically a piece of cake. But Petr doesn't know yet that this is just the beginning and today will be one big rollercoaster ride.

An irresponsible playboy whose life revolves around making women happy discovers that there is such a thing as paternal and partner responsibility. A seemingly perfect married couple is confronted by fate in the form of a young refugee from a children's home. A successful and confident manager has found his soul mate, but introducing her to his parents is a nightmare for him. Two lonely people who have given up on happiness and finding the right person may get one more chance.

King Jakub and Queen Anička’s family grows with their curious daughter, Princess Johanka, who loves spending time with her kindly grandfather Karaba the potter. Meanwhile, exiled advisors Lorenc and Ferenc manipulate the inexperienced Queen Julia from a neighboring realm to enact revenge, luring Karaba into a cunning trap. Now the royal family and their allies must join forces, perhaps even dusting off Karaba’s hidden skills, to outwit the schemers.