This essentially means that she went missing without a trace in her initial timeline.
However, they are not very supportive and suggest that she should stay at home.
They are happy and attentive, and even take an interest in Lucy’s life despite not knowing her.
Sadly, though, this could only happen because she was never born in the changed timeline.
A teenage girl goes back in time to the early 2000s to save her sister from a dangerous killer.