The Taoist Hermit's Return

The protagonist has lived a quiet, uncompetitive life practicing Taoist cultivation in the wilderness outside the pass for over 30 years. Unexpectedly, old acquaintances suddenly come to find him, breaking his isolated and stable life, bringing up an unresolved old matter from many years ago. He has to re-enter the mortal world, face past ties and entanglements, and uncover the truth that was buried back then.