"My heart is like a time bomb. I was really afraid of dying before, but now I think about dying. It's not a big deal."
"If I die, please give my heart to my sister..."
The connection of blood and the fetters of fate make the sisters finally meet. When the dust-laden truth is revealed layer by layer, all the entanglements will eventually be settled with a heartbeat.
Purpose: It is easy for everyone in the world to be trapped in their own selfish desires and scheming at every step, but family love can still withstand the test of human nature after the hardships of the world.