Stockholm, Sweden
A mid-age hipster named Peter is a fitness enthusiast who trains for the 90 km ski race Vasaloppet. He has a sister named Lisa, who is the complete opposite. She doesn't have a job and drinks too much but she has a daughter named Anna.
One day, Peter discovers some secrets that he didn't know about his sister and her daughter. As a result, they make promises to each other.
Peter decides to train for the Vasaloppet with his sister's daughter, Anna. They spend hours together in the gym, working out and pushing themselves to their limits.
As the Vasaloppet approaches, Peter and Anna work even harder to improve their performance. They push themselves to their limits and achieve incredible results.
At the end of the race, Peter and Anna are both exhausted but proud of their accomplishments. They have made promises to each other and have achieved something they never thought was possible.
From then on, Peter and Lisa become even closer as they support each other through life's challenges. They continue to train together and help each other reach their goals.