Having returned to his childhood home in the West Highlands, Calum leads a quiet life. More than two decades after his brother Finn fell to his death, he still relives the event and struggles to find peace of mind. It isn't so easy, however: his mother, Mary, has Alzheimer's Disease and his estranged daughter Catriona has arrived out of the blue. Unexpectedly, Calum has his mother and daughter living with him and the house becomes a crucible of old resentments, disappointments, unspoken revelations and fragile but enduring love. Together and separately, Calum, Mary and Catriona retrace the events that have brought them to this point and made them who they are.