2022. Stained-glass expert Rhoda Sullivan is called to Telton Hall to examine a window designed by an Italian prisoner of war during WWII. It should be a quick job but when she and the owner's son, Nate Hartwell, discover a body underneath one of the flagstones in the chapel, Rhoda cannot let the mystery go. She knows what it's like to miss someone who is missing—her twin brother disappeared just before their 18th birthday, and she has been looking for him for nearly a decade. But when the threats start, it's clear someone doesn't want the secrets of Telton Hall to come to light.

In 1941, Queensland drover Michael McTavish leaves behind his young daughter Gracie and joins the 2/22 AIF, his destination, Rabaul, New Guinea, a small town surrounded by impenetrable jungles and steep jagged mountains, its shores lined by tranquil bays and active volcanos. Joanie has also arrived in New Guinea, with a chance to manage a trading store with her father, Reg, too exciting an opportunity to pass up.

Alex Cross is a homicide detective with a PhD in psychology. He works and lives in the ghettos of D. C. and looks like Muhammad Ali in his prime. He's a tough guy from a tough part of town who wears Harris Tweed jackets and likes to relax by banging out Gershwin tunes on his baby grand piano. But he also has two adorable kids of his own, and they are his own special vulnerabilities. Jezzie Flanagan is the first woman ever to hold the highly sensitive job as supervisor of the Secret Service in Washington.

In 1929, Katya is 16 years old, surrounded by family and in love with the boy next door. When Stalin’s activists arrive in her village, it’s just a few, a little pressure to join the collective. But soon neighbors disappear, those who speak out are never seen again and every new day is uncertain. Resistance has a price, and as desperate hunger grips the countryside, survival seems more a dream than a possibility. But, even in the darkest times, love beckons. Seventy years later, a young widow discovers her grandmother’s journal.

Determined not to waste his life toiling for his cruel brother, Silas arrives in town to seek his fortune. Harriet has reconciled herself to a life of domestic service for her austere uncle. And John Gunson, Chief Engineer at the Sheffield Waterworks Company, has just completed his crowning glory – the Dale Dyke dam. But one stormy night, the unthinkable happens. The dam bursts. Fatefully brought together, Silas and Harriet must now contend with their families as new love blooms. Meanwhile, Gunson faces not only an angry community but also a court of inquest looking for a scapegoat.