Private eye Dold, a specialist in surveillance tasks, is sent to investigate a Frankfurt bordello boss. He's a pain in the butt for many in the red-light district and is to be overthrown to pave the way for financially strong speculators to lucratively redevelop the area. Dold, who always saw his work as morally justified, comes to doubt the rightness of his actions far too late.

In Berlin in 1961, an American soldier and a German engineer join forces to build a tunnel under the Berlin Wall in order to smuggle out refugees, including the soldier's East German girlfriend.

The Bachmann family's life is falling apart at the seams. Little Florian needs his dad - Peter Bachmann. Peter, his wife Maria and daughter Sophie have been unaware of his existence until now. A test begins. Can Maria forgive her husband for his infidelity? Should they really take the strange child into their family? When they finally decide in favor of Florian, they learn that he is no ordinary child. He is a boy with Down's syndrome. They are shocked. Once again their love is put to the test. Will she be big enough to accept Florian?

Dr. David Douglas is about to start his own private clinic and marry architect Jane Merchenson. Then his father dies, leaving debts from a real estate fraud he fell victim to, so selling the mortgaged Cornish family estate Oaktree isn't nearly enough. David cancels the wedding and sells to John Tyson, a friend of Jane's father Michael, who starts renovating it, employing her. Later David discovers Jane gave birth to their son, Nicky, without telling him.