It's Not My Film [To nie jest mój film]

As if they were polar explorers, a couple walks along a swollen beach, pulling a sled with luggage. After another row and an attempt to divorce, Janek and his wife give themselves an ultimatum and decide to go on a 400-kilometer hike along the Baltic Sea in the middle of winter. If they can overcome the challenge, they will stay together forever, if not, they will break up. On the road, you have to overcome not only bad weather conditions, but also learn to be friends again.