When Tadase leaves Amu's house, Amu runs after him to apologize to him. By not finding him, she becomes depressed to the point that she gives up on the guardians. Until later, when she tries to end her life.
With the S.P.R. family uniting once more, there are cases needing to be solved, things that were left unspoken to be said. And most of all - loose ends to be tied up. The Shibuya Psychic Research members must face what lies beyond.