It's bad to date convicts.
Trevor is at his computer looking for prospective romantic dates on various website.
Trevor wants to go on a date.
Trevor joins a reputable dating website and eventually has his first date with a retail worker he meets through the website.
Trevor finds a website that teaches people how to contact prison inmates and decides to try to find a date that way.
Trevor enjoys the first date and is hopeful that more dates will follow.
Trevor is naive expectations are taken advantage of by the convict that he contacts for a date.