The Christmas Key: 4 (River's End)

A hot summer Christmas Day is just around the corner in the Australian seaside town of Rivers End. Beachside BBQs and sumptuous dinners are on the menu.But Martha Blake is like a dog with a bone determined to solve the last of the cottage mysteries. She and great-niece Christie begin a secret investigation.Meanwhile Thomas is busy with his own clues and enlists a reluctant Martin.At Palmerston House loving new couple Elizabeth and Angus face their greatest obstacle and it might be too much to overcome.With everyone working at cross-purposes who will find themselves in the middle cast back into memories of a terrible mistake?Is love enough this time as the beloved residents of Rivers End deal with the fallout of the old mystery? Who or what will bring them all together in time for Christmas?