Mein Lover, sein Vater und ich(2014)

Overview:

Nicky Koch is in her mid-forties, a successful head buyer at a hip online shop and in a relationship with her much younger colleague Sascha Brehmer. When she defies her bosses, she is fired. Ironically, Sascha should take over her post. In this crisis, the invitation to the 25-year class reunion comes at just the right time. There she meets her old crush, Axel Hartmann, who turns out to be Sascha's father...