Seven of the best TV shows to watch this week

Piers Morgan sets out to discover what drove a family man to kill, and Neven Maguire explores Ireland’s dairy industry

Trauma
Monday, TV3, 10pm
After a bad day at work, Dan Bowker arrives home drunk to discover his 15-year-old son Alex has not come home and no-one knows where he is. Meanwhile, off-duty trauma surgeon Jon Allerton is at home celebrating his birthday when he is called into work to operate on Alex, who has been stabbed. When the medical team is unable to save Alex, Dan can't let go of the idea that the surgeon is responsible for his son's death. Thriller, starring Adrian Lester and John Simm, with Rowena King and Lyndsey Marshal.

Home of the Year
Tuesday, RTÉ One, 8.30pm
How fabulous is the place you call home? It has to be pretty amazing to meet the exacting standards set by the judging panel in the new series of Home of the Year. There's no room for bog-standard gaffes in this contest – you need to have put some serious imagination into renovating or redecorating your home. The judges are designer Hugh Wallace, interior designer Deirdre Whelan and award-winning architect Patrick Bradley. In this first episode, three homeowners from across the country will be hoping to impress the judges.

Neven's Irish Food Trails
Wednesday, RTÉ One, 8.30pm
Having travelled around Italy for his last series, Neven Maguire is back in Ireland for Neven's Irish Food Trails. In this new series, Maguire is on a quest to meet the people who produce some of Ireland's finest foods. In the opening episode, he explores Ireland's dairy industry, beginning with Ballynoe, Co Cork, where young dairy farmer Maeve O'Keefe tends to her herd of Jersey crossbred cattle. Then it's on to Michelstown, home of Ireland's world-famous Kerrygold butter. He also pays a visit to Toons Bridge, near Macroom, to learn how Italian cheesemaking techniques are used to create Toons Bridge mozzarella.

The Assassination of Gianni Versace: American Crime Story
Wednesday, BBC Two, 9pm
In July 1997, the fashion world was rocked by the murder of Gianni Versace. The designer was shot dead on the steps of his Miami mansion by 27-year-old Andrew Cunanan, a drifter who had come to Miami claiming to be a close friend of Versace. It turned out Cunanan was a serial liar – and a serial killer. The Assassination of Gianni Versace is the follow-up to the hugely successful The People Vs OJ Simpson, and stars Darren Criss as Cunanan, with Ricky Martin as Versace's boyfriend and Penelope Cruz as Donatella Versace. There's no trial – Cunanan took his own life a few days after the murder, but the series focuses on the police investigation that followed Versace's killing and traces Cunanan's murder spree across America.

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Save Me
Wednesday, Sky Atlantic, 9pm
A girl is abducted and her deadbeat dad is the main suspect in Save Me, a gritty drama set in south London which comes from the people behind Line of Duty. The series is written by Lennie James, who stars as Nelly, a small-time scoundrel who is accused of kidnapping his estranged daughter Jody. Nelly must get off the barstool if he is to save his daughter and clear his name. The series also stars Suranne Jones as Jody's mother, Claire.

Serial Killer with Piers Morgan
Thursday, TV3, 9pm
Serial Killer with Piers Morgan
features Lorenzo Gilyard who was convicted of killing six people in and around Missouri between 1977 and 1993, and was also suspected of murdering a further seven more, earning him six life sentences. His prolific spree saw him labelled the Kansas City Strangler, and despite overwhelming DNA evidence pointing to his guilt, he continues to protest his innocence to this day. Here, Piers Morgan sets out to discover what drove a seemingly well-adjusted family man to kill.

Requiem
Friday, BBC One, 9pm
As anyone who has been watching Requiem will know, Matilda (Lydia Wilson) has been struggling to make sense of her mother's shocking death. When she found her mother's collection of cuttings and photos relating to Carys Howell, a young girl who went missing from a small Welsh village more than 20 years ago, she wondered if there might be a connection. With her accompanist Hal (Joel Fry) in tow, Matilda headed to Penllynith to find out more – and following a night in the late Ewan Dean's (Nick Hobbs) oddly familiar house, she began to wonder if she was in fact the missing Carys.

In the fourth instalment, Matilda continues searching for answers as she meets Laura (Anastasia Hille), who claims to have crucial information about Carys’s disappearance – but can she be trusted? Sean (Sam Hazeldine) offers his own explanation for what’s going on, and Aron (Richard Harrington) struggles with his anger and guilt. Of course, there might also be scares.