Towards the end of the season, Teddy travels to L.A. with a couple other surgeons from Grey Sloan for a medical conference, and she reminisces on her relationship with Allison, who was also her secret lover. At the end of the season, Teddy and Owen prepare for their wedding, but on the day of, Teddy accidentally sends Owen a voicemail of her and Tom having sex, and Owen postpones the wedding.
In the final stretch of the season, Teddy travels to Los Angeles with other surgeons from Grey Sloan for a medical conference. She reflects on her past relationship with Allison, who was also her secret lover.  As their wedding day approaches, Teddy accidentally sends Owen a voicemail of herself and Tom having sex, causing him to postpone the ceremony.