I Dream of Spiders by Elle Keating

The move to the remote town of Quarry Hill, Pennsylvania was supposed to help Griffin McGuire start over and forget the two people who betrayed him. As a paramedic at the local hospital, he would still have to interact with people, but the rest of the time he could hole himself away in the secluded cabin he was renting. It was perfect. For the first time in over a year, he felt like he could finally breathe.
That was until he met her.
A woman who doesn’t know her own name or why she was covered in blood and standing in the middle of the road when he found her. Griffin knows he should contact the police, but something is preventing him from going to the authorities. It doesn’t take long for him to realize that he was correct in trusting his instincts. Every time she falls asleep, she dreams and another memory is unlocked. Memories that are horrific and make him want to protect and hide her from the world.