Curvature (2017)

While grieving the death of her husband Wells, who committed suicide, Helen meets his partner Tomas that asks her blessing to proceed running their company. Helen returns to her work and out of the blue, she has a blackout for several days. She wakes up at home and receives a phone call from herself warning that a man is coming in a BMW to kill her. She flees and goes to the house of her friend Alex to ask for help. They head to an isolated cabin that belonged to Helen's father and soon Helen learns that she had sent herself to the past using a time machine invented by Wells to stop herself from committing a murder.