Dyma bortread grymus o gymeriadau brith sy'n byw ar gyrion cymdeithas Cymeriadau unig a'u bywoliaeth yn ddibynnol ar y farced sydd ar fin cau Dilynir argyfwng Mair, sy'n crafu byw wrth drin a gwerthu gemau a chlirio tai - nes y daw un gem i drawsnewid ei bywyd yn llwyr [Here we have a powerful portrayal of mottled characters who live on the edge of society Lonely characters whose livelihood depends on the market which is on the verge of closing We follow Mair's crisis who scrapes a living selling jewellery and house clearances, until one piece of jewellery changes her life entirely]