Grey’s Anatomy Season 22 Episode 4 delivers a seamless emotional concoction as the beloved doctors at Grey Sloan Memorial Hospital find themselves at professional and personal crossroads. The episode titled ‘Goodbye Horses’ saw Teddy and Cass uncovering their new relationship, Meredith unhappy with Koracick’s paper on Alzheimer’s and of course, Jackson Avery is back in action. And the two have an unpleasant reunion. View this post on Instagram Instagram PostGrey’s Anatomy Season 22 Episode 4 puts spotlight on Teddy and Cass’s new relationshipIn the previous episode of Grey’s Anatomy Season 22, we saw Teddy and Cass getting together. They decide to carpool to work. Link is getting discharged finally as Owen is helping him out. As they leave the hospital premises, they bump into Teddy and Cass, leading to an awkward encounter. Link gets a wind of the tension between the former couple. Both Link and Owen are left wondering about Teddy and Cass. View this post on Instagram Instagram PostMeanwhile in Grey’s Anatomy Season 22 Episode 4, Meredith is discussing work schedules with Weber, who expresses gratitude for having her back. She is suddenly distracted when she gets a message.Simone offers Jules to move in with her after she learns that her roommate is engaged. However, Jules declines. Later in the episode, Simone will even ask Blue as to why Jules is reluctant to live with her. Blue suggests that it could be because they are not close enough. But Simone is not buying it.ED gets an unusual case in Grey’s Anatomy Season 22 Episode 4In the emergency room, the team receives two young boys who have sustained injuries after an equestrian accident. But here is the plot twist, they are not technically ‘horse riders’. They were riding fake horse toys as they were preparing for a championship. While one boy has a head wound, the other boy, who appeared normal, suddenly collapses after complaining of chest pains.Last we saw in Grey’s Anatomy Season 22 Episode 3, Blue met the new plastics fellow Mohanty, with whom he started off on the wrong foot. The strain between the two continues. Enter Jackson, who is at the hospital for a surgery. Mohanty is informed that she won’t be part of the surgery but Blue and the others are. The team meets a firefighter trainer, who needs breast reconstruction. View this post on Instagram Instagram PostIn the meantime, Meredith learns about Koracick’s paper on Alzheimer’s. His research only involved male mice and not female mice, on whom the antibiotics treatment is not effective. Meredith had done the research and knew that his published research can be hazardous. Later in Grey’s Anatomy Season 22 Episode 4, Meredith takes the issue to Jackson, who in turn shows his dismay towards her. He says that that instead of being here, she should have been working at the lab.Ben and Blue are discussing about the approaching surgery and realize that the patient has hernia, and they needed a general surgeon. Jackson has no choice but to ask for Meredith’s help. Despite her earlier clash with him, she agrees to help see the scans.Katie’s condition deteriorates in Grey’s Anatomy Season 22 Episode 4In Grey’s Anatomy Season 22 Episode 4, Bailey finally informs Katie about her cancer growth and how she will have to go through new treatment after recuperating from the surgery. Katie agrees to be part of clinical trials, but she wants to inform her family only after she understands more about her condition. But, Bailey insists that she shares about it to her mother.Bailey will ask Lucas to look into the clinical trials. While Katie is not happy with Lucas doing the research, her trust in Bailey makes her accept the situation. Katie’s situation takes a turn for the worse when she gets a blood clot in her leg. View this post on Instagram Instagram PostKatie will need a surgery to treat the blood clot. She reveals that she has hardly told people about where she is. She suddenly comes to the realization that she wanted to do so much more but her situation may not help her achieve those dreams.Link is back at work in Grey’s Anatomy Season 22 Episode 4The young boy, who collapsed, has the attention of the whole ER. He still seems to be in hurry to go back to his competition, despite appearing weak. Link is back at the hospital in Grey’s Anatomy Season 22 Episode 4, though he is supposed to be on recovery. Link gives his opinion about the condition as he had previously worked with athletes.And if bumping into Owen and Link earlier in the episode was not awkward enough, Teddy comes face-to-face with Nora, who is her new patient. Nora was at the hospital after experiencing chest pain. View this post on Instagram Instagram PostThe reconstruction surgery will have to wait as Meredith will need to perform the hernia surgery first. The patient is not happy to learn that, but they make her aware that this was the best possible option for her.In the Grey’s Anatomy Season 22 Episode 4, the team deduct that Owen's patient has broken ribs. The team is still skeptic about his ‘horse riding profession’, but Owen insists that they look at addressing the issue instead of passing comments.Teddy keeps it professional in Grey’s Anatomy Season 22 Episode 4Teddy is absolute professional as she does not let her personal feelings affect her work in Grey’s Anatomy Season 22 Episode 4. Nora is undergoing MRI when Cass comes in. She does not divulge the information about Owen and Nora’s affair. But all is good with Nora as her chest pain was caused due to indigestion. The two bond over their relationships and Teddy shares about her divorce with Owen. Nora blames herself but Teddy is more empathetic.Mohanty is observing the surgery when Blue decides to leave, giving her the opportunity to step in. The surgery however has a setback, which has the team racing against the time to fix the issue at the earliest. But thankfully, the surgery is a success. View this post on Instagram Instagram PostAt the end of Grey’s Anatomy Season 22 Episode 4, Meredith shares with Jackson that she is going back to Boston to work on her research. And on the other hand, the younng boy learns that though he is all good, he can no longer continue with his horse riding hobby.After being part of Katie’s case, Lucas realizes that he wants to gain experience in clinical oncology. And finally, Simone confronts Jules and asks her the reason for not wanting to be her roommate. Jules reveals that she needs multiple alarms to wake up and has had several issues with roommates in the past. Jules does not want the same with Simone.Teddy decides to confess to Cass about her life, who is nothing but understanding. Owen will share his regrets with Link for his outburst and later meets Nora, with whom he goes for dinner.Watch Grey’s Anatomy Season 22 on Thursdays on ABC. The episodes can also be streamed on Hulu.ALSO READ: Grey's Anatomy Season 22 Episode 3 recap: High-risk surgery keeps the team on their toesFor more stories on shows, follow SoapCentral