When Cassie's new boyfriend ghosts her for fitness instructor Summer, she quickly becomes entranced with the seemingly perfect trainer, taking obsession to a deadly level. Now, it's a fight ... Read allWhen Cassie's new boyfriend ghosts her for fitness instructor Summer, she quickly becomes entranced with the seemingly perfect trainer, taking obsession to a deadly level. Now, it's a fight for who gets Summer's identity.When Cassie's new boyfriend ghosts her for fitness instructor Summer, she quickly becomes entranced with the seemingly perfect trainer, taking obsession to a deadly level. Now, it's a fight for who gets Summer's identity.