Channel 5 viewers are hooked on Number One Fan, the latest four-part psychological drama starring Sally Lindsay and Jill Halfpenny.

Landing on screens on Monday, the series follows beloved TV presenter Lucy Logan, who becomes the object of an obsessive fan, Donna, who has a dark and murky past.

Lucy (Jill Halfpenny) and Donna (Sally Lindsay )

Jill Halfpenny (The Cuckoo, The Feud, Girl Taken) and Sally Lindsay (The Madame Blanc Mysteries, Love Rat) are no strangers to working with Channel 5, so it’s no surprise viewers are loving their first on-screen collaboration.

Keep reading to find out what viewers are saying about Number One Fan…

What have viewers said about Number One Fan?

Viewers were quick to take to Instagram to share their praise for the drama, with one person saying: “I was hooked after first episode.”

Meanwhile, a second said: “INCREDIBLE! Binged the entire show, wonderful by all! Jill, Sally and Sharlene delivered masterpiece performances.” A third added: “Loving this already! Class act, you strong fierce women!”

© Jorge Salvador
Lucy (Jill Halfpenny) and Donna (Sally Lindsay ) at the British Entertainment Awards ceremony

What have critics said about Number One Fan?

While it’s still early days, some critics have already shared their thoughts on the drama.

© Jorge Salvador
Viewers have been bingeing all four episodes in one go

The Guardian summarised: “Jill Halfpenny and Sally Lindsay star in a silly but oh-so-watchable thriller,” while The Times added: “It is a guilty pleasure, an untaxing mental mini-break that you can watch safe in the knowledge that you don’t care about a single character.”

What is Number One Fan about?

Told over four parts, the series follows Lucky Logan, who is the hottest star in daytime TV.

The synopsis continues: “With a hit morning show, huge following on social media, and a gorgeous family, her life is perfect. Enter Donna.

Daniel Adegboyega, Harvey Rhys Conway, Sharlene Whyte and Tiffany Gray also star

“Walking through a car park, Lucy’s handbag is swiped by a mugger and Donna intervenes to save the day. Donna is Lucy’s biggest fan and Lucy invites her to visit her on set of her show in gratitude.

“Lucy thinks that’s the end of it, but wherever Lucy goes Donna’s there too. In her studio audiences, at launch events, when she’s shopping, on the school run, outside her house. Lucy can’t escape her, as what starts off as an obsessive fan turns sinister.”