Based on a husband's regretful autobiography, it tells the story of a marriage that was on the verge of collapse due to a moment of confusion. Facing the farewell letter left by his wife, he suddenly woke up from the endless self-blame and pain, and then realized how precious the simple and deep love around him is. The story takes a turn in despair and repentance. The wife returns with her young son, bringing warmth back to the broken family. The full text is simple and sincere, showing true love in regret and redemption in forgiveness, shaking the hearts of every reader who cherishes family and true love.