Speaking directly to Jessika, Tamara demands: 'Put your cards on the table, Jess. Just say it!'
Later, in a private conversation with producers, the 30-year-old HR manager reveals she 'just wants the truth' about what happened.
The trailer also hints that Jessika, 27, shocks the other brides with her response.
'When Tamara demands answers, what Jess does next will send the girls night into chaos,’ a voiceover reveals.