Susan was the former college roommate of Alison Parker and moved into her apartment after coming to L.A. to find a job as a cook. Although Susan and Billy Campbell hit it off, Alison was quick to put a wedge between them by doing her best to keep them separate.
However, Susan decided to date Billy despite Alison's objections and the friendship was damaged.
After Alison was put into rehab because of her drinking, she called Billy to come to a meeting, but Susan answered the phone and didn't tell Billy about the call. When Billy asked her about it, she informed him that she grew up with a mother that was an alcoholic and didn't think Alison would change. This caused a rift between Billy and Susan. Susan later moved out of their apartment and broke up with Billy.