When a documentary team comes to Button House to investigate a historical assassination plot, Alison and the ghosts are shocked to discover that it involved one of their own.

A mysterious visitor arrives at Button House with a revelation that leaves Alison reeling. Mike has an epiphany on his first day at a new job, which causes Julian to remember his first day as a ghost.

Alison has invited Lucy to come to Button House for a sleepover, but after a concerning meeting with the solicitor, Alison must work out if Lucy is really who she says she is.

Mary tells Julian how she finally found her voice, while Thomas decides he must finally kick his Alison addiction. Old friends of Mike share the surprising secret to their success.

Can the Ghosts get back into Alison’s good books after she gives them the biggest telling off of their lives/deaths? Alison and Mike learn that relaxation is harder than it looks.

Mike and Alison reach boiling point over the B&B. Julian aims to prove he is more selfless than people think. A new addition triggers frightening flashbacks for Robin.

A festive trip down memory lane prompts Pat to question his very identity. The ghosts come up with a surprise Christmas present for Alison whose family lunch does not go to plan.

With the B&B gone, Mike anxiously strives to fix their finances, but it’s April Fools' Day, and a distracted Alison is out for revenge. The couple receive some life-changing news.

Having lost their appetite for Food Club, the ghosts trial some new entertainment inspired by Pat. Disaster strikes as Mike and Alison host an important guest at Button House.

Mike’s mum visits, but her attempts to lend a hand drive Alison and Mike mad. To make matters worse, Betty soon senses something is awry with Button House, but does she know what?