howabouts...
Lavinia and Sir Rich are caught flagrante delicto thus leave, scandalised for london city where such behaviour is the norm
Mary, traumatised with turkish-nightmares, sleepwalks into Matthew's room and clambers on top, arousing little matthew and unconsciously creating an heir
they become engaged, and quietly marry
Violet discovers lord 6 and jane kissing on the billiard table, threatens him with exposure, he reluctantly fires her, meaning mrs Hughes can re-hire Ethel
Bates and Anna leave to open massage parlour in rippon, but police catch up with them, both arrested for murder of Mrs ex-Bates
Sybil nurses poor pickle who catches flu and dies, she becomes a nun
cora gets flu, but isobel returns and nurses her back to health, thus winning gratitude from her
O'Brien implicated too in murder of mrs bates as her correspondance discovered at the murder scene, cora fires her. Ethel made cora's lady's maid