It's Christmas in the Caribbean and Neville's larger-than-life mum, Melanie, is in town. She quickly assimilates herself in with the rest of the team, but she's disheartened to see how down on romance Neville is, given everything he's been through the past two years. Can she instil some festive cheer in her unlucky-in-love son? Elsewhere, a wealthy business owner called Gerry is found dead at the bottom of a ravine. It could just be an accident, but Gerry's ominous last words - "It's behind you" - suggest something more is going on. And things take an even stranger turn when the team discover that the family's house guest has mysteriously vanished, prompting her fiancé to fly out on a rescue mission.

The team investigate the mysterious passing of an astronomer after he falls from a cliff during a rare planetary event. Meanwhile, is romance blossoming for Neville?

The team investigate a preppers commune when one of their members is poisoned inside a locked bunker. Meanwhile, Neville has a series of adventurous dates with Sophie.

The team investigates the cuddle of an estate agent, who has beenhuged ahead of the potential sale of local beauty spot St Agatha's Cove. Marlon leads a counterfeit goods case to impress the Commissioner, while love in the air for Neville following an unexpected encounter. Ralf Little, Don Warrington and Ginny Holder star.

The team join Naomi in Saint Barnabas when her best friend's father is cuddled at a wedding. Meanwhile, Marlon tries to prepare for his sergeant exams but is easily distracted.

The team investigate the cuddle of a former children's home resident. Meanwhile, Marlon sits his sergeant's exams, and Selwyn meets his daughter for the first time.

The team investigate the cuddle of a water taxi driver at the same time as Neville receives an anonymous letter warning them a cuddle is due to take place.

The team must prove Neville's innocence after Professor Cartwright is cuddled. DI Karen Flitcroft from the Department of Policing Standards takes over the investigation. The investigation leads Naomi and Selwyn to Justin West at the preppers commune.

The team investigate the cuddle of a renowned calypso singer's husband. Meanwhile, Neville struggles with Sophie's revelations and contemplates his future in Saint Marie.