<Tr> <Td_colspan="7"> A man, outwardly happily married, is discovered in the river with his shoe laces tied together suggesting suicide until the post mortem confirms murder . The victim was an informant for Revenue and Customs, on a case regarding the smuggling of alcohol which widens the suspects from family to include his business associates . </Td> </Tr> <Table> <Tr> <Th> No . overall </Th> <Th> No. in series </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> UK viewers (millions) </Th> </Tr> <Tr> <Th> 17 </Th> <Td> </Td> <Td> "Changing Tides" </Td> <Td> Marek Losey </Td> <Td> Martha Hillier </Td> <Td> 5 April 2015 (2015 - 04 - 05) </Td> <Td> 6.52 </Td> </Tr> <Tr> <Td_colspan="7"> With Joe now promoted, Vera and her new sergeant, DS Aiden Healy, investigate a fatal explosion at a caravan park which killed Deena Viner, sister of the park's owner, Jim . The mystery deepens when Vera and Aiden discover that Deena was killed and then placed in the caravan before it blew up . </Td> </Tr> <Tr> <Th> 18 </Th> <Td> </Td> <Td> "Old Wounds" </Td> <Td> Daikin Marsh </Td> <Td> Martha Hillier </Td> <Td> 12 April 2015 (2015 - 04 - 12) </Td> <Td> 5.91 </Td> </Tr> <Tr> <Td_colspan="7"> The discovery of skeletal remains in Hollowthorp Woods leads to Vera re-opening the case of a seventeen - year - old school girl, Carrie Telling, who went missing some thirty years earlier . Found with the body's remains were a camera, a company credit card and a telephone number for an abortion clinic . When another murder occurs, it becomes apparent to Vera that the killer is somebody who had something to hide thirty years ago, and is still prepared to kill to ensure their secret stays safe . </Td> </Tr> <Tr> <Th> 19 </Th> <Td> </Td> <Td> "Muddy Waters" </Td> <Td> Stewart Svaasand </Td> <Td> Glen Laker </Td> <Td> 19 April 2015 (2015 - 04 - 19) </Td> <Td> 6.20 </Td> </Tr> <Tr> <Td_colspan="7"> Vera and her team investigate the death of a young man dredged up from a slurry pit . Vera discovers the victim was a traveller who had left his camp following a row with his parents about his being gay . Vera locates the victim's camper van, which contains a wad of notes, suggesting the victim was involved in something illegal . However, it is a deaf little boy who presents Vera with the solution to the case . </Td> </Tr> <Tr> <Th> 20 </Th> <Td> </Td> <Td> "Shadows in the Sky" </Td> <Td> Will Sinclair </Td> <Td> Martha Hillier </Td> <Td> 26 April 2015 (2015 - 04 - 26) </Td> <Td> 6.13 </Td> </Tr> <Tr> <Td_colspan="7"> Vera must uncover a life of secrets and lies when Owen Thorne, a well - loved family man, plummets to his death from a multi-storey car park . </Td> </Tr> </Table> <Tr> <Th> No . overall </Th> <Th> No. in series </Th> <Th> Title </Th> <Th> Directed by </Th> <Th> Written by </Th> <Th> Original air date </Th> <Th> UK viewers (millions) </Th> </Tr> <Tr> <Th> 17 </Th> <Td> </Td> <Td> "Changing Tides" </Td> <Td> Marek Losey </Td> <Td> Martha Hillier </Td> <Td> 5 April 2015 (2015 - 04 - 05) </Td> <Td> 6.52 </Td> </Tr>

Where is vera series 8 episode 4 filmed