He is calm, calm, has his own rhythm and schedule, and doesn't like to be disrupted by anyone - but she is an exception.
Like fireworks exploding in his peaceful world, beautiful and noisy.
He, the future Doctor Song, had beautiful scalpel hands and didn't like to waste time, but he was willing to build a Black Pearl for her.
Then take her on a long trip.
However, when the memory that stuck in her throat in the past was tampered with, the obstacle between her and him was more than just an accident... How would he personally overturn the future he promised her?