"Mia (Ruth Vega Fernandez) announces her engagement to her boyfriend Tim (Joakim Natterqvist) at her father's 60th birthday party, where her father Lasse (Krister Henriksson) has just asked his live-in girlfriend Elizabeth (Lena Endre) to marry him.When Mia meets Elizabeth's fun-loving daughter Frida (Liv Mjones), she is initially wary to be accepted into Elizabeth's family.