Emma-Jane Conflict

It's a conflict between Emma Nelson and Jane Vaughn that became a thing after spinner broke up with Jane. Jane tried to stop Emma and Spinner's wedding and Emma is shown being jealous that Jane was being a presence in his life despite being married.

Season 7
In Standing In The Dark (2), Emma is at The Dot with Peter, Manny and Darcy hanging out, when Jane and informs Darcy that the school knows her and peter hooked up. When Darcy leaves Jane takes her spot where Emma and Manny are seated.

In We Built This City, Both Emma and Jane attend prom together in group with Spinner Mason, Manny Santos, Jimmy Brooks, Trina, Liberty Van Zandt, Toby Isaacs and Damian Hayes. Emma and Jane along with Manny are seen dancing together during the Natasha Bedingfield performance. Jane is present when it's revealed that Damian cheated on Emma.

Season 9
In Holiday Road, When Emma invites Holly J. to come to her cookout she brings Declan, Jane, and Spinner with her. Jane makes jokes about Emma and Kelly eating a vegan meal and Emma playfully rolls her eyes. Jane is present to see Emma lash out at Holly J. Clare, and Alli and confess to Mr. Simpson that she was failing university.

In Degrassi Takes Manhattan, after just getting back from her re-cycling project, Spinner is surprised to see Emma, and hugs her hello. He hires her for the new waitress position at The Dot, so that he can leave for Declan's pool party, but tells her to not touch the sandwich maker before leaving. Emma is still lying in bed. She asks if she can borrow a shirt, but finds the box filled with Jane's possession that Spinner hadn't thrown out yet. She puts her clothes back on and decides to leave, as she realized Spinner is not fully over Jane yet. Spinner after telling Jane that he is getting married to Emma, and she congratulates him before hanging up. Emma asks him if everything is alright, and he says it is, before kissing her on the head and putting his arm around her. When Jane finds out about Spinner's relationship with Emma, she forces Declan and Holly J. to go with her back to Toronto to stop their wedding, using one of Declan's dad's cars. She finds Spinner's tent, and after seeing that he is in love with Emma, she allows the wedding to go on. Emma later invites Jane to join the wedding.