Curvature

As Helen grapples with the loss of her husband Wells, who took his own life, she's forced to confront a new reality when his partner Tomas asks for her blessing to continue running their company. As she returns to work, Helen begins to experience strange blackouts, only to wake up at home with a mysterious phone call from herself warning of an imminent threat. Fleeing for safety, Helen seeks help from her friend Alex and together they head to an isolated cabin belonging to her father. There, she discovers a shocking truth: she had used a time machine invented by Wells to send herself back to the past, determined to prevent a murder that she was destined to commit.