Best-bets for Aug. 14: Four seasons end, one begins
1) “Masterpiece: Grantchester” season-finale, 9 p.m., PBS. It’s been a terrific season, a quick rebound from the drab “Masterpiece: Endeavour.” Alongside some solid mysteries, there have been personal crises for Geordie (lost in an alcoholic funk) and Will (shown here, center, last season), who dallied with a temptress while overlooking Geordie’s good-hearted niece Bonnie. Last week, Geordie’s wife let him return home; now come more key moments, including another murder of a homeless man. Read more…