<Tr> <Td_colspan="7"> Jane's fixation on a negative review has left her with writer's block, so Rogelio suggests she take a writing class to help . With the encouragement of Jane, Rafael is ready to dig into his past to find out who his real biological parents are . Meanwhile, Rogelio is trying to make things less about him and more about Xo, but he grows suspicious when he learns she is keeping a secret from him . But the secret Xo has been keeping is not what Rogelio suspected . Elsewhere, Petra tests the loyalty of her lawyer, Jane Ramos, by pretending to be romantically interested in her while trying to find out the identity of the blackmailer . After Petra confides in Jane Ramos of her feelings which are not fake, the two of them sleep together for the first time . </Td> </Tr> <Tr> <Th> 77 </Th> <Td> 13 </Td> <Td> "Chapter Seventy - Seven" </Td> <Td> Gina Lamar </Td> <Td> Deirdre Shaw & Chantelle M. Wells </Td> <Td> March 16, 2018 (2018 - 03 - 16) </Td> <Td> 0.59 </Td> </Tr> <Tr> <Td_colspan="7"> When Jane, Rogelio and Alba learn what is going on with Xo who might have breast cancer, they all try to comfort her, but Xo insists they let her live her life . Meanwhile, Rogelio finally gets River Fields to agree to meet with him, but he learns that River has another plan in mind . Also, Rafael is on a mission to find his missing sister Luisa, who may have the information he has been looking for of his origins . Rafael visits Rose in prison to ask for her help, but he quickly turns her down when she makes a demand to know Luisa's location . Also, Jane is upset with Petra after her twin girls spill a secret to Mateo about the Tooth Fairy being make believe . At the same time, Jane' J.R.' Ramos tells Petra after their romantic night together that she is not interested in a relationship due to the blackmailer paying a visit to Jane R.'s dementia - stricken mother in a rest home . At the end, the identity of Jane R's blackmailer is finally revealed to be Petra's long - suffering and abused secretary Krishna . </Td> </Tr> <Tr> <Th> 78 </Th> <Td> 14 </Td> <Td> "Chapter Seventy - Eight" </Td> <Td> Justin Baldoni </Td> <Td> Valentina Garza & Micah Schraft </Td> <Td> March 23, 2018 (2018 - 03 - 23) </Td> <Td> 0.65 </Td> </Tr>

The end of jane the virgin season 4