Derek fails in his attempts to save Heather, leaving Shane feeling responsible for his colleagues death. The interns are tasked with comforting Heather's mother when she arrives, but realize that they had been bad friends to her, and resolve to look out for each other more. Bailey and Catherine clash over how to proceed with Richard's condition, with Bailey wanting to perform risky surgery. Meredith ultimately accepts responsibility for Richard's care and allows Bailey to follow her instincts, saving Richard's life. Jackson rejects April following her declaration of love and she decides to go ahead with her engagement to Matthew. Owen and Cristina struggle to stay apart following their split. Arizona tracks Callie down to Meredith's house but Callie is again unforgiving and informs Arizona that they will now take turns caring for Sofia. Arizona later returns, desperate to see Sofia and whilst Callie initially refuses, Cristina urges her to not bring Sofia into the fight, resulting in Arizona being granted five minutes with her daughter.