In East Germany, Wolfgang Schulz sees his estranged twin brother, Walter, on a Western sports program. They reconnect and impulsively decide to swap lives for a few days, thinking it will be a lighthearted experience. However, the reality of each other's lives proves more complicated than anticipated. The fall of the Berlin Wall soon after allows them to start a business together. Their contrasting approaches quickly create conflict, and "Schulz & Schulz" discovers that even amidst newfound optimism, running a company as partners is a challenge. They soon find themselves facing financial difficulties.