Responding to the mysterious singing voice (voiced by Aurora) that only she can hear, Elsa (voiced by Idina Menzel) sings about her attempts to ignore the voice and how she nevertheless feels compelled to venture into territory that is mysterious to her.

The mysterious voice, piano, and strings build up tension and suspense as Elsa tries to shut out the voice. The intensity peaks at the bridge, when Elsa finally decides to follow the voice and release herself.