Tesler uses a mind-control device to build an army, and Mara falls under its influence and turns against the Renegade.

When a champagne bomb is delivered to Constantine, he and Celeste go on high alert to determine who wants him dead. Meanwhile, Nate turns to Grace after he accidentally jeopardizes a mobster's valuable racehorse. Back at Roosevelt Medical Center, Grace is tapped to treat Brett's estranged brother, Jack Hanson, following a severe cycling accident.

Birgitte Nyborg has left politics and is now a well-paid speaker and sits on several boards. Her old friend Bent Sejro tries to persuade her to re-enter politics. Katrine Fonsmark and Kasper Juul juggle their careers and parenthood as well as their volatile relationship.

Penny manages to embarrass her daughter after she decides to run for local councillor with Tilly supporting her. Gary decides to join the dating scene and Miranda decides she has to do the same. They both attempt to find dates for Stevie's birthday party.

The family get ready to celebrate the baptism of Dermot and Maria's triplets by hosting a party. Agnes and Winnie end up being put under the spell of the hypnotist booked to provide the entertainment.