My Big Day (2018)

A young woman scorned with suspicions her boyfriend is being unfaithful suffers from thoughts of him and another woman together and is eaten away by jealousy and insecurity. Little does she know her boyfriend is actually planning a surprise birthday for her. As the big day looms closer her suspicions grow larger and innocent turn of events twist in her mind as something more sinister as evidence builds against him and only convinces the girlfriend more that her boyfriend is cheating. Tormented by the prospect her boyfriend is seeing another woman behind her back that as the day of the party arrives she is determined to find out the truth if it kills her.....or him.