Jim, an ambitious grad student, is kidnapped by two rival time travelers-each from a different possible future shaped by Jim's romantic decision. One insists that breaking up with his fiancée will lead to a better world; the other believes that staying with her will create a more meaningful legacy. As more future versions of his children enter the fray, Jim is compelled to reevaluate love, ambition, and identity in a multiverse war where every choice carries cosmic consequences.