iane is devastated by the news that her cancer has returned and finds herself withdrawing, not wanting to be a burden to anyone. Can a song of hope from an inexplicable source encourage her to accept the help and strength her friends long to offer? Meanwhile, when Shelley receives a shocking letter from her sister Susannah, Shelley must face the fact that her sister's daughter Hailey will be stayng with them indefinitely. Can Shelley find a way to cope with her frustration that doesn't impact her niece? Beverly finally gives Jeff the answer to his proposal, but will meeting his mother make her regret her decision? And when Margaret and Allan are asked to audit books at their church, they uncover a disturbing truth. Will their discovery lead to justice or grace?
During a walk in a new park, the four friends hear a train whistle, despite the fact that the railroad left town decades earlier. Drawn by the sound, the women stumble upon an abandoned train depot. What they find there lead to a new investigation into Marble Cove's mysterious past.