The story follows long-term partners (Hana Vagnerová) and Petr (Matyáš Řezníček). Fearing their relationship is stagnating, they begin recording their intimate conversations and sexual fantasies on their phones. What starts as a playful way to "rejuvenate" their sex life quickly escalates into a real-world experiment with non-monogamy. Key narrative elements include:
: A significant plot point involves the loss of a hard drive containing five years of their recorded memories, which serves as a metaphor for the fracturing of their shared history as they move toward an uncertain future. Reception and Production Borders of Love (Hranice lásky) – Tomasz Wiński, 2022
: Hana dives deeper into the experiment than Petr, leading to a breakdown in their established rules and a rise in jealousy and emotional distance.