Dating back to the ancient Babylonian period, people's exploration of equations has spanned more than three thousand years, but it is still unclear. In the majestic journey of life, everyone is eager to obtain the optimal solution in life. Every fork in the choice ahead leads to a different answer - the steadfastness or deception of love, the observance or betrayal of promises, the loss or search for oneself...
A little Sun reporter who appears to be cheerful and brainless, is actually a little crybaby who likes to hide secretly and shed tears; a psychiatrist who always remains calm and composed, and whose IQ is always on the line. They support each other and face unknown risks together. Will the deep and undetectable trauma in their hearts be healed over time?
Intention: Turning back the time, the years remain the same. When the fog is cleared, is it salvation or an abyss?