When a recently retired DCI is shot dead during an English Civil War reenactment, Mike immediately suspects the victim’s wife, but she hires Pearl to find out if someone could be targeting her, too. Pearl and Mike plan a date, but a miscommunication puts them at odds.

When a mother takes her daughter out for a boat ride despite the father’s wishes, the boat starts taking on water and the two need to be rescued. Was it an accident, or were they targeted? Pearl investigates while Mike tries to enjoy his time off from police duty in the days before New Year’s Eve.

A 30-year-old skeleton washes up on the shore, and the victim has a very personal connection to Pearl; Pearl's budding romance with Mike is threatened when he identifies a suspect close to home.

While returning from visiting his young son, Kruz, in France, Whitstable local and former soldier Dan Tomlin crashes his car. When he wakes in the hospital, Dan learns that Kruz had been hiding in the trunk of his vehicle—and he"s now gone missing. With his ex-wife accusing him of kidnapping their son, Dan hires Pearl to track him down, and she teams up with Mike to find the missing boy.

Laid up at home with a broken ankle, Mike passes time by observing his neighbors in the complex across the way. After witnessing one man"s violent night terrors, Mike becomes convinced that his supposed episodes are part of a plot to murder his wife. When Mike"s police colleagues dismiss his concerns, he hires Pearl to do the legwork he can"t.

When 1970s movie icon Zelda St John changes her will, leaving her fortune to her housekeeper, Natalia, the young woman seeks out Pearl, fearing that Zelda's family might hurt her. Not long afterward, Zelda is found unconscious at her home, attacked with a croquet mallet, and Natalia disappears. Clashing over who they believe is responsible, Mike and Pearl lead separate investigations.

Mysterious happenings at Dolly's (shower left running, smoke alarms going off, money missing) has Pearl worried about her mother's state of mind. Meanwhile a burglary has Mike determined not to involve Pearl at any cost.