Marital commitment can become exhausting, and Ondra and Vitek are clearly experiencing significant weariness. As they work closely together and live in adjacent homes, it doesn’t take long for these long-married, middle-aged friends to start discussing their intimate lives. It’s evident that their recent experiences have not met their expectations. Fortunately, an unexpected vacation on a tropical island reignites their interest in their wives, though not exactly for their own partners. With no distractions, their wandering eyes inevitably focus on the other’s spouse, leading them to form their own unconventional quartet.