People are always wearing invisible masks in real life, sometimes even if they stand in front of each other, their distance of heart is very far. When you meet the one in your life, you will be willing to face each other without that mask and explore their inner world. When they take off their masks, embracing and listening to each other. They finally become one whole part, facing the strange world together. Even through setbacks, like a drowning fish, one of them sometimes want to escape, give up, and back to her original lonely world, the other can still hold on to and save her. Finally, they can show their most real emotions without any burden, even though they are negative with those sad tears, they will find the direction and become determined because of each other's presence and company.