In the year 2033, Emily Harper, a young girl who lost her parents in a mysterious incident, finds herself confined in an orphanage run by a strict matron named Miss Dolly. Emily's curiosity about her past and the cause of her parents' death leads her to discover a time-traveling device hidden in the orphanage's basement. Driven by the desire to amend her past, Emily sets out on a reckless journey back in time, hoping to find her parents and prevent the tragedy that took them away from her.
As Emily travels to the past, she encounters many obstacles, including a group of mysterious time-travelers who try to stop her from altering the timeline. With the help of a friendly scientist named Dr. Galloway, Emily navigates through different eras, from the roaring twenties to the post-apocalyptic world of 2033, in search of her parents. Along the way, she discovers the truth about her family's past and the reason behind her parents' death.
As Emily races against time, she realizes that changing the past has its consequences, and she must make difficult choices to ensure her present and future. Collider is a thrilling sci-fi adventure that explores the dangers and wonders of time travel while asking profound questions about the meaning of family and the importance of making choices that shape our destiny.