Ava, from the future, travels to the past in disguise to provide research funding for her husband, Ethan. However, she unexpectedly discovers that her beloved husband of many years has betrayed her, becoming entangled with his colleague, Mia, and pregnant with her child. Heartbroken, she decides to return to the future, but before leaving, she is accidentally injured by Ethan and falls off a cliff, disappearing completely. Upon learning the truth, Ethan is filled with remorse and frantically researches time-space technology, all in an attempt to win back Ava, even traveling through time to the future. However, his obsession has turned into madness. Ultimately, Ava uncovers the rules of time travel, making Ethan and Mia pay the price, and forging a new future for themselves.
