Okay so listen, I know Emma was not everyone's cup of tea. But hate her or love her, babygirl has been one of the biggest thru-lines in the series. When we last left off with Emma, she made the entirely baffling and out-of-character decision of marrying Spinner.
Whatever, let's roll with it. Emma and Spinner were married but let's just say that union wasn't written in the stars. One or two kids later, they split up and Emma reemerges on the Degrassi scene as her oldest kid starts grade 7. It maths and puts her back in the mix.