Meredith tried to figure out what to do about Derek on Grey's Anatomy Season 11 Episode 17.
Through a series of flashbacks from pivotal memories from Meredith and Derek's past along with encounters with Renee, Derek's fellow, we find out what happened in D.C.
Derek grew very close to Renee, and they eventually shared an intimate kiss that made Derek realize he wanted Meredith and his family was still back home. Only viewers were able to see these scenes, and Derek did not share the truth with Meredith.
Elsewhere, Owen was in for a surprise when his mom was admitted as a patient. He became very upset when he found out that his mother was seeing a young firefighter. He convinced his mother that her boyfriend was just using him. However, Owen later realized that John actually did care for his mother.
Meanwhile, Jo worked with April to help a patient who was experience headaches and strange nosebleeds. They found it was actually a leech that was living in the patient's sinus cavity.
Stephanie struggled to find surgeries and even tried bribing Ben for his. Ben mentioned this to Bailey, and Bailey later told Stephanie that she should be offering more money if she really wanted the surgeries.