[1] Greta Hansen and her family move from Hamburg to a small village in the Black Forest, where her father opens up a veterinary clinic.
Greta Hansen and her family move from the city of Hamburg to an old and dilapidated villa in the village of Waldau in the Black Forest.
While 7 year old Lilie quickly settles in her new surrounding, Philip and Annette struggle to find patients and friends.
Jonas is living on a farm with his parents Josefine and Vinzenz, the mayor and resident hunter of Waldau, as well as with his older brother Jakob.
Greta is a great animal lover and unfailingly keeps supporting their needs and interests, against all odds and obstacles.
The family is regularly visited by Grandma Almut, Annette's mother, who is loved by the kids and labelled "invasive" by the parents.
While Luka is not joining the group at the new school, the meet Sophie and Timo who quickly close friends with them.
Philip is still looking for a veterinary assistant and finds one in Bertie Heckenbichler, who previously worked at a riding stable.
Jonas' parents fight a lot, as Josefine is renting out Jakob's room to holiday guests, and Vinzenz secretely purchases nandus.
Jonas is overwhelmed with the idea of his parents separating permanently, while Vinzenz realises his mistake and begins to fight for the relationship.
Susanne, Annette's sister, moves in with her daughter Nelly and their dog Cookie, after she quit her job as an architect and lost her apartment.
Greta and Jonas bestow Nelly with their mission to save animals, feeling too grown themselves to continue.
The family consists of father Tomasz, mother Maria, son Pawel, who is Nelly's age, and the youngest daughter Paulina.
Nelly, Pawel and Gustav become friends and find a hut in the forest, which they renovate, name "Eulennest" (German: "Owl Nest") and use as a secret hideout for their animal rescue adventures.
Philip receives a job offer from his old professor, asking him to lead the veterinary clinic in Hamburg as deputy chief doctor.
As Jessie's grandfather collapses in Philip's clinic, Isa decides to bury her grudge and make up with her father.
Ever since Annette's decision to stay in Hamburg, Nelly feels more and more like an outsider in the Hansen family until one day her father Jobst shows up unannouced.
While Nelly seems to be excited to meet him and plans to visit him in Bremen, the rest of the family is not happy about his appearance.
Helena is working for the Youth Welfare Office and is moving to Freiburg so Leo can be closer to her birthfather Andreas.
Greta who returned from her exchange year is now living in a student home in Freiburg and feels unhappy about her situation, contemplating moving back in with her father.
When Martin comes back to Freiburg and realises his son has been put into a foster family, he decides to quit his job and find something more stable in the city.
When she shows the house to Philip and Helena, they both are enthusiastic and decide to move back to Waldau with Nelly and Leo.
Maria and Tomasz agree after some contemplation, leaving Paulina in Waldau while thy and Pawel return to Poland.
Farmer's son Paul develops feelings for Paulina but she is uninterested and later falls for a girl, Martha.
Kajo is the son of one of Philip's former professors and up until recently lived in Kenya, who is trying to find a new clinic to work at in the Black Forest region.
After his wife's death due to sepsis he decided to move back to Germany with his sons Liam and Sam.
A new forester named Dina Estili moves to Waldau with her daughter Ronja and their dog Pari.
When Paulina realises that Martha lied to her about her mother accepting her, she decides to break up with her and return to Poland.
Vinzenz, together with Josefine's brother Valentin Randersagger, invested a substantial amount of money in a holiday home development and lost everything.
[7] As a filming location in the Glottertal the Carlsbau and surrounding area was used, which is also the setting of the ZDF-show Die Schwarzwaldklinink from the 1980s.