Brothers and Sisters S00 E02 Sebastian Pöthe as Luděk in Brothers and Sisters: Mother Teresa is everything to him

What can a simple DNA test do? For example, it can trigger an avalanche of surprising findings that will shake up the fates of parents and their adult children. The secrets revealed can hurt many, but they can also bring a lot of new possibilities. Because what's better than having good siblings? And does the rule "the more, the better" apply in this case too?