The Au Pair | Preview (Channel 5)

David Suchet and Sally Bretton star in this four-part drama, stripped across one week.

Zoe Dalton is a woman who seems to have it all: a successful business, a happy marriage, two beautiful step-children and a stunning house in the idyllic countryside.

When a mysterious au pair enters Zoe’s home with her own hidden agenda, Zoe is unwittingly propelled on a journey that will unearth a terrible truth and which will threaten to destroy everything she holds dear.

Episode 1: Seamstress Zoe Dalton’s already chaotic day takes a turn for the worse when a series of alarming incidents that endanger her father George and stepson Noah push her to the brink. Struggling to manage, she agrees with her husband Chris to bring in an au pair.

Enter the mysterious Sandrine—capable and composed, but carrying a hidden agenda. As Sandrine settles into their home, subtle shifts in the family dynamic begin to unfold, setting off a chain of events that put Zoe in grave danger.

Episode 2: Following a disturbing incident, Zoe finds herself increasingly on the outside of her own family. As doubts about her judgement grow, she throws herself into preparing a meaningful gift for her stepdaughter Amber’s birthday. But tensions at the party reach a boiling point, leading to an unexpected injury and shocking revelations. Meanwhile, Amber begins to question Sandrine’s true intentions, setting her on a dangerous path towards the truth.

Episode 3: As questions about the past come to light, Zoe embarks on a search for answers—but the more she uncovers, the more uncertain everything becomes. Sandrine, now on the run, reaches out with a desperate plea, while George moves in the shadows, guarding secrets of his own. With long-buried truths threatening to surface, Zoe faces an impossible choice.

Episode 4: As pressure mounts and hidden agendas collide, the family is thrust into a confrontation that will test their loyalties and force long-buried secrets to the surface. With trust hanging by a thread, Zoe must make a life-altering choice before it’s too late. When the dust settles, their world will be forever changed.

The Au Pair begins Monday 10th March at 9pm on Channel 5.