As Sacha and Chrissie wait for the results of Daniel's tests, Sacha doesn't feel much like celebrating his birthday. Chrissie tries to maintain a brave face, but even if Daniel is a match, can she put her son through the procedure? Michael's plans are thrown awry when Jasmine gets an earlier flight from America. He's determined to get away from Holby in time, but will he be able to pass responsibility for his patients to Serena? Elliot is concerned about Ollie's behaviour, but Ollie insists he is fine. An unusual case from AAU forces Harry and Ollie to work together - will they crack the case?