Newly retired Philip returns home to Cologne and is thrown into emotional turmoil upon bumping into his long-lost sweetheart. In the midst of a domestic crisis, Ricarda confides in Philip that she is looking for somewhere to live. And there and then, Philip suggests that she move in with him - he is setting up a flatshare. Will she join him with his mischievous dachshund named Ralf? Five retirees embark on a flatshare. So begins a new chapter in friendship, love and all the joys and challenges that life has to offer.