The Collector (2004)

Medium Laura McKinney has spent the decade since making her deal trying to use her Devil-given powers to find the soul of her dead son. When Morgan contacts her, she refuses to seek redemption until she accomplishes her goal. Morgan tries to convince her that the deal was a sham, and that her powers aren't real, but discovers that Laura may hold the key to contacting his own lost love. Will Morgan have to give up his own dream in order to redeem Laura's soul?